text: /*!
   * jQuery JavaScript Library v1.9.1
   * http://jquery.com/
   *
   * Includes Sizzle.js
   * http://sizzlejs.com/
   *
   * Copyright 2005, 2012 jQuery Foundation, Inc. and other contributors
   * Released under the MIT license
   * http://jquery.org/license
   *
   * Date: 2013-2-4
   */
  (function( window, undefined ) {
  
       // Can't do this because several apps including ASP.NET trace
       // the stack via arguments.caller.callee and Firefox dies if
       // you try to trace through "use strict" call chains. (#13335)
       // Support: Firefox 18+
       //"use strict";
       var
            // The deferred used on DOM ready
            readyList,
       
            // A central reference to the root jQuery(document)
            rootjQuery,
       
            // Support: IE<9
            // For `typeof node.method` instead of `node.method !== undefined`
            core_strundefined = typeof undefined,
       
            // Use the correct document accordingly with window argument (sandbox)
            document = window.document,
            location = window.location,
       
            // Map over jQuery in case of overwrite
            _jQuery = window.jQuery,
       
            // Map over the $ in case of overwrite
            _$ = window.$,
       
            // [[Class]] -> type pairs
            class2type = {},
       
            // List of deleted data cache ids, so we can reuse them
            core_deletedIds = [],
       
            core_version = "1.9.1",
       
            // Save a reference to some core methods
            core_concat = core_deletedIds.concat,
            core_push = core_deletedIds.push,
            core_slice = core_deletedIds.slice,
            core_indexOf = core_deletedIds.indexOf,
            core_toString = class2type.toString,
            core_hasOwn = class2type.hasOwnProperty,
            core_trim = core_version.trim,
       
            // Define a local copy of jQuery
            jQuery = function( selector, context ) {
                 // The jQuery object is actually just the init constructor 'enhanced'
                 return new jQuery.fn.init( selector, context, rootjQuery );
            },
       
            // Used for matching numbers
            core_pnum = /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/.source,
       
            // Used for splitting on whitespace
            core_rnotwhite = /\S+/g,
       
            // Make sure we trim BOM and NBSP (here's looking at you, Safari 5.0 and IE)
            rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
       
            // A simple way to check for HTML strings
            // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
            // Strict HTML recognition (#11290: must start with <)
            rquickExpr = /^(?:(<[\w\W]+>)[^>]*|#([\w-]*))$/,
       
            // Match a standalone tag
            rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
       
            // JSON RegExp
            rvalidchars = /^[\],:{}\s]*$/,
            rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
            rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
            rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[eE][+-]?\d+|)/g,
       
            // Matches dashed string for camelizing
            rmsPrefix = /^-ms-/,
            rdashAlpha = /-([\da-z])/gi,
       
            // Used by jQuery.camelCase as callback to replace()
            fcamelCase = function( all, letter ) {
                 return letter.toUpperCase();
            },
       
            // The ready event handler
            completed = function( event ) {
       
                 // readyState === "complete" is good enough for us to call the dom ready in oldIE
                 if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) {
                      detach();
                      jQuery.ready();
                 }
            },
            // Clean-up method for dom ready events
            detach = function() {
                 if ( document.addEventListener ) {
                      document.removeEventListener( "DOMContentLoaded", completed, false );
                      window.removeEventListener( "load", completed, false );
       
                 } else {
                      document.detachEvent( "onreadystatechange", completed );
                      window.detachEvent( "onload", completed );
                 }
            };
       
       jQuery.fn = jQuery.prototype = {
            // The current version of jQuery being used
            jquery: core_version,
       
            constructor: jQuery,
            init: function( selector, context, rootjQuery ) {
                 var match, elem;
       
                 // HANDLE: $(""), $(null), $(undefined), $(false)
                 if ( !selector ) {
                      return this;
                 }
       
                 // Handle HTML strings
                 if ( typeof selector === "string" ) {
                      if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
                           // Assume that strings that start and end with <> are HTML and skip the regex check
                           match = [ null, selector, null ];
       
                      } else {
                           match = rquickExpr.exec( selector );
                      }
       
                      // Match html or make sure no context is specified for #id
                      if ( match && (match[1] || !context) ) {
       
                           // HANDLE: $(html) -> $(array)
                           if ( match[1] ) {
                                context = context instanceof jQuery ? context[0] : context;
       
                                // scripts is true for back-compat
                                jQuery.merge( this, jQuery.parseHTML(
                                     match[1],
                                     context && context.nodeType ? context.ownerDocument || context : document,
                                     true
                                ) );
       
                                // HANDLE: $(html, props)
                                if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
                                     for ( match in context ) {
                                          // Properties of context are called as methods if possible
                                          if ( jQuery.isFunction( this[ match ] ) ) {
                                               this[ match ]( context[ match ] );
       
                                          // ...and otherwise set as attributes
                                          } else {
                                               this.attr( match, context[ match ] );
                                          }
                                     }
                                }
       
                                return this;
       
                           // HANDLE: $(#id)
                           } else {
                                elem = document.getElementById( match[2] );
       
                                // Check parentNode to catch when Blackberry 4.6 returns
                                // nodes that are no longer in the document #6963
                                if ( elem && elem.parentNode ) {
                                     // Handle the case where IE and Opera return items
                                     // by name instead of ID
                                     if ( elem.id !== match[2] ) {
                                          return rootjQuery.find( selector );
                                     }
       
                                     // Otherwise, we inject the element directly into the jQuery object
                                     this.length = 1;
                                     this[0] = elem;
                                }
       
                                this.context = document;
                                this.selector = selector;
                                return this;
                           }
       
                      // HANDLE: $(expr, $(...))
                      } else if ( !context || context.jquery ) {
                           return ( context || rootjQuery ).find( selector );
       
                      // HANDLE: $(expr, context)
                      // (which is just equivalent to: $(context).find(expr)
                      } else {
                           return this.constructor( context ).find( selector );
                      }
       
                 // HANDLE: $(DOMElement)
                 } else if ( selector.nodeType ) {
                      this.context = this[0] = selector;
                      this.length = 1;
                      return this;
       
                 // HANDLE: $(function)
                 // Shortcut for document ready
                 } else if ( jQuery.isFunction( selector ) ) {
                      return rootjQuery.ready( selector );
                 }
       
                 if ( selector.selector !== undefined ) {
                      this.selector = selector.selector;
                      this.context = selector.context;
                 }
       
                 return jQuery.makeArray( selector, this );
            },
       
            // Start with an empty selector
            selector: "",
       
            // The default length of a jQuery object is 0
            length: 0,
       
            // The number of elements contained in the matched element set
            size: function() {
                 return this.length;
            },
       
            toArray: function() {
                 return core_slice.call( this );
            },
       
            // Get the Nth element in the matched element set OR
            // Get the whole matched element set as a clean array
            get: function( num ) {
                 return num == null ?
       
                      // Return a 'clean' array
                      this.toArray() :
       
                      // Return just the object
                      ( num < 0 ? this[ this.length + num ] : this[ num ] );
            },
       
            // Take an array of elements and push it onto the stack
            // (returning the new matched element set)
            pushStack: function( elems ) {
       
                 // Build a new jQuery matched element set
                 var ret = jQuery.merge( this.constructor(), elems );
       
                 // Add the old object onto the stack (as a reference)
                 ret.prevObject = this;
                 ret.context = this.context;
       
                 // Return the newly-formed element set
                 return ret;
            },
       
            // Execute a callback for every element in the matched set.
            // (You can seed the arguments with an array of args, but this is
            // only used internally.)
            each: function( callback, args ) {
                 return jQuery.each( this, callback, args );
            },
       
            ready: function( fn ) {
                 // Add the callback
                 jQuery.ready.promise().done( fn );
       
                 return this;
            },
       
            slice: function() {
                 return this.pushStack( core_slice.apply( this, arguments ) );
            },
       
            first: function() {
                 return this.eq( 0 );
            },
       
            last: function() {
                 return this.eq( -1 );
            },
       
            eq: function( i ) {
                 var len = this.length,
                      j = +i + ( i < 0 ? len : 0 );
                 return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] );
            },
       
            map: function( callback ) {
                 return this.pushStack( jQuery.map(this, function( elem, i ) {
                      return callback.call( elem, i, elem );
                 }));
            },
       
            end: function() {
                 return this.prevObject || this.constructor(null);
            },
       
            // For internal use only.
            // Behaves like an Array's method, not like a jQuery method.
            push: core_push,
            sort: [].sort,
            splice: [].splice
       };
       
       // Give the init function the jQuery prototype for later instantiation
       jQuery.fn.init.prototype = jQuery.fn;
       
       jQuery.extend = jQuery.fn.extend = function() {
            var src, copyIsArray, copy, name, options, clone,
                 target = arguments[0] || {},
                 i = 1,
                 length = arguments.length,
                 deep = false;
       
            // Handle a deep copy situation
            if ( typeof target === "boolean" ) {
                 deep = target;
                 target = arguments[1] || {};
                 // skip the boolean and the target
                 i = 2;
            }
       
            // Handle case when target is a string or something (possible in deep copy)
            if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
                 target = {};
            }
       
            // extend jQuery itself if only one argument is passed
            if ( length === i ) {
                 target = this;
                 --i;
            }
       
            for ( ; i < length; i++ ) {
                 // Only deal with non-null/undefined values
                 if ( (options = arguments[ i ]) != null ) {
                      // Extend the base object
                      for ( name in options ) {
                           src = target[ name ];
                           copy = options[ name ];
       
                           // Prevent never-ending loop
                           if ( target === copy ) {
                                continue;
                           }
       
                           // Recurse if we're merging plain objects or arrays
                           if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
                                if ( copyIsArray ) {
                                     copyIsArray = false;
                                     clone = src && jQuery.isArray(src) ? src : [];
       
                                } else {
                                     clone = src && jQuery.isPlainObject(src) ? src : {};
                                }
       
                                // Never move original objects, clone them
                                target[ name ] = jQuery.extend( deep, clone, copy );
       
                           // Don't bring in undefined values
                           } else if ( copy !== undefined ) {
                                target[ name ] = copy;
                           }
                      }
                 }
            }
       
            // Return the modified object
            return target;
       };
       
       jQuery.extend({
            noConflict: function( deep ) {
                 if ( window.$ === jQuery ) {
                      window.$ = _$;
                 }
       
                 if ( deep && window.jQuery === jQuery ) {
                      window.jQuery = _jQuery;
                 }
       
                 return jQuery;
            },
       
            // Is the DOM ready to be used? Set to true once it occurs.
            isReady: false,
       
            // A counter to track how many items to wait for before
            // the ready event fires. See #6781
            readyWait: 1,
       
            // Hold (or release) the ready event
            holdReady: function( hold ) {
                 if ( hold ) {
                      jQuery.readyWait++;
                 } else {
                      jQuery.ready( true );
                 }
            },
       
            // Handle when the DOM is ready
            ready: function( wait ) {
       
                 // Abort if there are pending holds or we're already ready
                 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
                      return;
                 }
       
                 // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
                 if ( !document.body ) {
                      return setTimeout( jQuery.ready );
                 }
       
                 // Remember that the DOM is ready
                 jQuery.isReady = true;
       
                 // If a normal DOM Ready event fired, decrement, and wait if need be
                 if ( wait !== true && --jQuery.readyWait > 0 ) {
                      return;
                 }
       
                 // If there are functions bound, to execute
                 readyList.resolveWith( document, [ jQuery ] );
       
                 // Trigger any bound ready events
                 if ( jQuery.fn.trigger ) {
                      jQuery( document ).trigger("ready").off("ready");
                 }
            },
       
            // See test/unit/core.js for details concerning isFunction.
            // Since version 1.3, DOM methods and functions like alert
            // aren't supported. They return false on IE (#2968).
            isFunction: function( obj ) {
                 return jQuery.type(obj) === "function";
            },
       
            isArray: Array.isArray || function( obj ) {
                 return jQuery.type(obj) === "array";
            },
       
            isWindow: function( obj ) {
                 return obj != null && obj == obj.window;
            },
       
            isNumeric: function( obj ) {
                 return !isNaN( parseFloat(obj) ) && isFinite( obj );
            },
       
            type: function( obj ) {
                 if ( obj == null ) {
                      return String( obj );
                 }
                 return typeof obj === "object" || typeof obj === "function" ?
                      class2type[ core_toString.call(obj) ] || "object" :
                      typeof obj;
            },
       
            isPlainObject: function( obj ) {
                 // Must be an Object.
                 // Because of IE, we also have to check the presence of the constructor property.
                 // Make sure that DOM nodes and window objects don't pass through, as well
                 if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
                      return false;
                 }
       
                 try {
                      // Not own constructor property must be Object
                      if ( obj.constructor &&
                           !core_hasOwn.call(obj, "constructor") &&
                           !core_hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
                           return false;
                      }
                 } catch ( e ) {
                      // IE8,9 Will throw exceptions on certain host objects #9897
                      return false;
                 }
       
                 // Own properties are enumerated firstly, so to speed up,
                 // if last one is own, then all properties are own.
       
                 var key;
                 for ( key in obj ) {}
       
                 return key === undefined || core_hasOwn.call( obj, key );
            },
       
            isEmptyObject: function( obj ) {
                 var name;
                 for ( name in obj ) {
                      return false;
                 }
                 return true;
            },
       
            error: function( msg ) {
                 throw new Error( msg );
            },
       
            // data: string of html
            // context (optional): If specified, the fragment will be created in this context, defaults to document
            // keepScripts (optional): If true, will include scripts passed in the html string
            parseHTML: function( data, context, keepScripts ) {
                 if ( !data || typeof data !== "string" ) {
                      return null;
                 }
                 if ( typeof context === "boolean" ) {
                      keepScripts = context;
                      context = false;
                 }
                 context = context || document;
       
                 var parsed = rsingleTag.exec( data ),
                      scripts = !keepScripts && [];
       
                 // Single tag
                 if ( parsed ) {
                      return [ context.createElement( parsed[1] ) ];
                 }
       
                 parsed = jQuery.buildFragment( [ data ], context, scripts );
                 if ( scripts ) {
                      jQuery( scripts ).remove();
                 }
                 return jQuery.merge( [], parsed.childNodes );
            },
       
            parseJSON: function( data ) {
                 // Attempt to parse using the native JSON parser first
                 if ( window.JSON && window.JSON.parse ) {
                      return window.JSON.parse( data );
                 }
       
                 if ( data === null ) {
                      return data;
                 }
       
                 if ( typeof data === "string" ) {
       
                      // Make sure leading/trailing whitespace is removed (IE can't handle it)
                      data = jQuery.trim( data );
       
                      if ( data ) {
                           // Make sure the incoming data is actual JSON
                           // Logic borrowed from http://json.org/json2.js
                           if ( rvalidchars.test( data.replace( rvalidescape, "@" )
                                .replace( rvalidtokens, "]" )
                                .replace( rvalidbraces, "")) ) {
       
                                return ( new Function( "return " + data ) )();
                           }
                      }
                 }
       
                 jQuery.error( "Invalid JSON: " + data );
            },
       
            // Cross-browser xml parsing
            parseXML: function( data ) {
                 var xml, tmp;
                 if ( !data || typeof data !== "string" ) {
                      return null;
                 }
                 try {
                      if ( window.DOMParser ) { // Standard
                           tmp = new DOMParser();
                           xml = tmp.parseFromString( data , "text/xml" );
                      } else { // IE
                           xml = new ActiveXObject( "Microsoft.XMLDOM" );
                           xml.async = "false";
                           xml.loadXML( data );
                      }
                 } catch( e ) {
                      xml = undefined;
                 }
                 if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
                      jQuery.error( "Invalid XML: " + data );
                 }
                 return xml;
            },
       
            noop: function() {},
       
            // Evaluates a script in a global context
            // Workarounds based on findings by Jim Driscoll
            // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
            globalEval: function( data ) {
                 if ( data && jQuery.trim( data ) ) {
                      // We use execScript on Internet Explorer
                      // We use an anonymous function so that context is window
                      // rather than jQuery in Firefox
                      ( window.execScript || function( data ) {
                           window[ "eval" ].call( window, data );
                      } )( data );
                 }
            },
       
            // Convert dashed to camelCase; used by the css and data modules
            // Microsoft forgot to hump their vendor prefix (#9572)
            camelCase: function( string ) {
                 return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
            },
       
            nodeName: function( elem, name ) {
                 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
            },
       
            // args is for internal usage only
            each: function( obj, callback, args ) {
                 var value,
                      i = 0,
                      length = obj.length,
                      isArray = isArraylike( obj );
       
                 if ( args ) {
                      if ( isArray ) {
                           for ( ; i < length; i++ ) {
                                value = callback.apply( obj[ i ], args );
       
                                if ( value === false ) {
                                     break;
                                }
                           }
                      } else {
                           for ( i in obj ) {
                                value = callback.apply( obj[ i ], args );
       
                                if ( value === false ) {
                                     break;
                                }
                           }
                      }
       
                 // A special, fast, case for the most common use of each
                 } else {
                      if ( isArray ) {
                           for ( ; i < length; i++ ) {
                                value = callback.call( obj[ i ], i, obj[ i ] );
       
                                if ( value === false ) {
                                     break;
                                }
                           }
                      } else {
                           for ( i in obj ) {
                                value = callback.call( obj[ i ], i, obj[ i ] );
       
                                if ( value === false ) {
                                     break;
                                }
                           }
                      }
                 }
       
                 return obj;
            },
       
            // Use native String.trim function wherever possible
            trim: core_trim && !core_trim.call("\uFEFF\xA0") ?
                 function( text ) {
                      return text == null ?
                           "" :
                           core_trim.call( text );
                 } :
       
                 // Otherwise use our own trimming functionality
                 function( text ) {
                      return text == null ?
                           "" :
                           ( text + "" ).replace( rtrim, "" );
                 },
       
            // results is for internal usage only
            makeArray: function( arr, results ) {
                 var ret = results || [];
       
                 if ( arr != null ) {
                      if ( isArraylike( Object(arr) ) ) {
                           jQuery.merge( ret,
                                typeof arr === "string" ?
                                [ arr ] : arr
                           );
                      } else {
                           core_push.call( ret, arr );
                      }
                 }
       
                 return ret;
            },
       
            inArray: function( elem, arr, i ) {
                 var len;
       
                 if ( arr ) {
                      if ( core_indexOf ) {
                           return core_indexOf.call( arr, elem, i );
                      }
       
                      len = arr.length;
                      i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
       
                      for ( ; i < len; i++ ) {
                           // Skip accessing in sparse arrays
                           if ( i in arr && arr[ i ] === elem ) {
                                return i;
                           }
                      }
                 }
       
                 return -1;
            },
       
            merge: function( first, second ) {
                 var l = second.length,
                      i = first.length,
                      j = 0;
       
                 if ( typeof l === "number" ) {
                      for ( ; j < l; j++ ) {
                           first[ i++ ] = second[ j ];
                      }
                 } else {
                      while ( second[j] !== undefined ) {
                           first[ i++ ] = second[ j++ ];
                      }
                 }
       
                 first.length = i;
       
                 return first;
            },
       
            grep: function( elems, callback, inv ) {
                 var retVal,
                      ret = [],
                      i = 0,
                      length = elems.length;
                 inv = !!inv;
       
                 // Go through the array, only saving the items
                 // that pass the validator function
                 for ( ; i < length; i++ ) {
                      retVal = !!callback( elems[ i ], i );
                      if ( inv !== retVal ) {
                           ret.push( elems[ i ] );
                      }
                 }
       
                 return ret;
            },
       
            // arg is for internal usage only
            map: function( elems, callback, arg ) {
                 var value,
                      i = 0,
                      length = elems.length,
                      isArray = isArraylike( elems ),
                      ret = [];
       
                 // Go through the array, translating each of the items to their
                 if ( isArray ) {
                      for ( ; i < length; i++ ) {
                           value = callback( elems[ i ], i, arg );
       
                           if ( value != null ) {
                                ret[ ret.length ] = value;
                           }
                      }
       
                 // Go through every key on the object,
                 } else {
                      for ( i in elems ) {
                           value = callback( elems[ i ], i, arg );
       
                           if ( value != null ) {
                                ret[ ret.length ] = value;
                           }
                      }
                 }
       
                 // Flatten any nested arrays
                 return core_concat.apply( [], ret );
            },
       
            // A global GUID counter for objects
            guid: 1,
       
            // Bind a function to a context, optionally partially applying any
            // arguments.
            proxy: function( fn, context ) {
                 var args, proxy, tmp;
       
                 if ( typeof context === "string" ) {
                      tmp = fn[ context ];
                      context = fn;
                      fn = tmp;
                 }
       
                 // Quick check to determine if target is callable, in the spec
                 // this throws a TypeError, but we will just return undefined.
                 if ( !jQuery.isFunction( fn ) ) {
                      return undefined;
                 }
       
                 // Simulated bind
                 args = core_slice.call( arguments, 2 );
                 proxy = function() {
                      return fn.apply( context || this, args.concat( core_slice.call( arguments ) ) );
                 };
       
                 // Set the guid of unique handler to the same of original handler, so it can be removed
                 proxy.guid = fn.guid = fn.guid || jQuery.guid++;
       
                 return proxy;
            },
       
            // Multifunctional method to get and set values of a collection
            // The value/s can optionally be executed if it's a function
            access: function( elems, fn, key, value, chainable, emptyGet, raw ) {
                 var i = 0,
                      length = elems.length,
                      bulk = key == null;
       
                 // Sets many values
                 if ( jQuery.type( key ) === "object" ) {
                      chainable = true;
                      for ( i in key ) {
                           jQuery.access( elems, fn, i, key[i], true, emptyGet, raw );
                      }
       
                 // Sets one value
                 } else if ( value !== undefined ) {
                      chainable = true;
       
                      if ( !jQuery.isFunction( value ) ) {
                           raw = true;
                      }
       
                      if ( bulk ) {
                           // Bulk operations run against the entire set
                           if ( raw ) {
                                fn.call( elems, value );
                                fn = null;
       
                           // ...except when executing function values
                           } else {
                                bulk = fn;
                                fn = function( elem, key, value ) {
                                     return bulk.call( jQuery( elem ), value );
                                };
                           }
                      }
       
                      if ( fn ) {
                           for ( ; i < length; i++ ) {
                                fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );
                           }
                      }
                 }
       
                 return chainable ?
                      elems :
       
                      // Gets
                      bulk ?
                           fn.call( elems ) :
                           length ? fn( elems[0], key ) : emptyGet;
            },
       
            now: function() {
                 return ( new Date() ).getTime();
            }
       });
       
       jQuery.ready.promise = function( obj ) {
            if ( !readyList ) {
       
                 readyList = jQuery.Deferred();
       
                 // Catch cases where $(document).ready() is called after the browser event has already occurred.
                 // we once tried to use readyState "interactive" here, but it caused issues like the one
                 // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
                 if ( document.readyState === "complete" ) {
                      // Handle it asynchronously to allow scripts the opportunity to delay ready
                      setTimeout( jQuery.ready );
       
                 // Standards-based browsers support DOMContentLoaded
                 } else if ( document.addEventListener ) {
                      // Use the handy event callback
                      document.addEventListener( "DOMContentLoaded", completed, false );
       
                      // A fallback to window.onload, that will always work
                      window.addEventListener( "load", completed, false );
       
                 // If IE event model is used
                 } else {
                      // Ensure firing before onload, maybe late but safe also for iframes
                      document.attachEvent( "onreadystatechange", completed );
       
                      // A fallback to window.onload, that will always work
                      window.attachEvent( "onload", completed );
       
                      // If IE and not a frame
                      // continually check to see if the document is ready
                      var top = false;
       
                      try {
                           top = window.frameElement == null && document.documentElement;
                      } catch(e) {}
       
                      if ( top && top.doScroll ) {
                           (function doScrollCheck() {
                                if ( !jQuery.isReady ) {
       
                                     try {
                                          // Use the trick by Diego Perini
                                          // http://javascript.nwbox.com/IEContentLoaded/
                                          top.doScroll("left");
                                     } catch(e) {
                                          return setTimeout( doScrollCheck, 50 );
                                     }
       
                                     // detach all dom ready events
                                     detach();
       
                                     // and execute any waiting functions
                                     jQuery.ready();
                                }
                           })();
                      }
                 }
            }
            return readyList.promise( obj );
       };
       
       // Populate the class2type map
       jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
            class2type[ "[object " + name + "]" ] = name.toLowerCase();
       });
       
       function isArraylike( obj ) {
            var length = obj.length,
                 type = jQuery.type( obj );
       
            if ( jQuery.isWindow( obj ) ) {
                 return false;
            }
       
            if ( obj.nodeType === 1 && length ) {
                 return true;
            }
       
            return type === "array" || type !== "function" &&
                 ( length === 0 ||
                 typeof length === "number" && length > 0 && ( length - 1 ) in obj );
       }
       
       // All jQuery objects should point back to these
       rootjQuery = jQuery(document);
       // String to Object options format cache
       var optionsCache = {};
       
       // Convert String-formatted options into Object-formatted ones and store in cache
       function createOptions( options ) {
            var object = optionsCache[ options ] = {};
            jQuery.each( options.match( core_rnotwhite ) || [], function( _, flag ) {
                 object[ flag ] = true;
            });
            return object;
       }
       
       /*
        * Create a callback list using the following parameters:
        *
        *	options: an optional list of space-separated options that will change how
        *			the callback list behaves or a more traditional option object
        *
        * By default a callback list will act like an event callback list and can be
        * "fired" multiple times.
        *
        * Possible options:
        *
        *	once:			will ensure the callback list can only be fired once (like a Deferred)
        *
        *	memory:			will keep track of previous values and will call any callback added
        *					after the list has been fired right away with the latest "memorized"
        *					values (like a Deferred)
        *
        *	unique:			will ensure a callback can only be added once (no duplicate in the list)
        *
        *	stopOnFalse:	interrupt callings when a callback returns false
        *
        */
       jQuery.Callbacks = function( options ) {
       
            // Convert options from String-formatted to Object-formatted if needed
            // (we check in cache first)
            options = typeof options === "string" ?
                 ( optionsCache[ options ] || createOptions( options ) ) :
                 jQuery.extend( {}, options );
       
            var // Flag to know if list is currently firing
                 firing,
                 // Last fire value (for non-forgettable lists)
                 memory,
                 // Flag to know if list was already fired
                 fired,
                 // End of the loop when firing
                 firingLength,
                 // Index of currently firing callback (modified by remove if needed)
                 firingIndex,
                 // First callback to fire (used internally by add and fireWith)
                 firingStart,
                 // Actual callback list
                 list = [],
                 // Stack of fire calls for repeatable lists
                 stack = !options.once && [],
                 // Fire callbacks
                 fire = function( data ) {
                      memory = options.memory && data;
                      fired = true;
                      firingIndex = firingStart || 0;
                      firingStart = 0;
                      firingLength = list.length;
                      firing = true;
                      for ( ; list && firingIndex < firingLength; firingIndex++ ) {
                           if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
                                memory = false; // To prevent further calls using add
                                break;
                           }
                      }
                      firing = false;
                      if ( list ) {
                           if ( stack ) {
                                if ( stack.length ) {
                                     fire( stack.shift() );
                                }
                           } else if ( memory ) {
                                list = [];
                           } else {
                                self.disable();
                           }
                      }
                 },
                 // Actual Callbacks object
                 self = {
                      // Add a callback or a collection of callbacks to the list
                      add: function() {
                           if ( list ) {
                                // First, we save the current length
                                var start = list.length;
                                (function add( args ) {
                                     jQuery.each( args, function( _, arg ) {
                                          var type = jQuery.type( arg );
                                          if ( type === "function" ) {
                                               if ( !options.unique || !self.has( arg ) ) {
                                                    list.push( arg );
                                               }
                                          } else if ( arg && arg.length && type !== "string" ) {
                                               // Inspect recursively
                                               add( arg );
                                          }
                                     });
                                })( arguments );
                                // Do we need to add the callbacks to the
                                // current firing batch?
                                if ( firing ) {
                                     firingLength = list.length;
                                // With memory, if we're not firing then
                                // we should call right away
                                } else if ( memory ) {
                                     firingStart = start;
                                     fire( memory );
                                }
                           }
                           return this;
                      },
                      // Remove a callback from the list
                      remove: function() {
                           if ( list ) {
                                jQuery.each( arguments, function( _, arg ) {
                                     var index;
                                     while( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
                                          list.splice( index, 1 );
                                          // Handle firing indexes
                                          if ( firing ) {
                                               if ( index <= firingLength ) {
                                                    firingLength--;
                                               }
                                               if ( index <= firingIndex ) {
                                                    firingIndex--;
                                               }
                                          }
                                     }
                                });
                           }
                           return this;
                      },
                      // Check if a given callback is in the list.
                      // If no argument is given, return whether or not list has callbacks attached.
                      has: function( fn ) {
                           return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length );
                      },
                      // Remove all callbacks from the list
                      empty: function() {
                           list = [];
                           return this;
                      },
                      // Have the list do nothing anymore
                      disable: function() {
                           list = stack = memory = undefined;
                           return this;
                      },
                      // Is it disabled?
                      disabled: function() {
                           return !list;
                      },
                      // Lock the list in its current state
                      lock: function() {
                           stack = undefined;
                           if ( !memory ) {
                                self.disable();
                           }
                           return this;
                      },
                      // Is it locked?
                      locked: function() {
                           return !stack;
                      },
                      // Call all callbacks with the given context and arguments
                      fireWith: function( context, args ) {
                           args = args || [];
                           args = [ context, args.slice ? args.slice() : args ];
                           if ( list && ( !fired || stack ) ) {
                                if ( firing ) {
                                     stack.push( args );
                                } else {
                                     fire( args );
                                }
                           }
                           return this;
                      },
                      // Call all the callbacks with the given arguments
                      fire: function() {
                           self.fireWith( this, arguments );
                           return this;
                      },
                      // To know if the callbacks have already been called at least once
                      fired: function() {
                           return !!fired;
                      }
                 };
       
            return self;
       };
       jQuery.extend({
       
            Deferred: function( func ) {
                 var tuples = [
                           // action, add listener, listener list, final state
                           [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
                           [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
                           [ "notify", "progress", jQuery.Callbacks("memory") ]
                      ],
                      state = "pending",
                      promise = {
                           state: function() {
                                return state;
                           },
                           always: function() {
                                deferred.done( arguments ).fail( arguments );
                                return this;
                           },
                           then: function( /* fnDone, fnFail, fnProgress */ ) {
                                var fns = arguments;
                                return jQuery.Deferred(function( newDefer ) {
                                     jQuery.each( tuples, function( i, tuple ) {
                                          var action = tuple[ 0 ],
                                               fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
                                          // deferred[ done | fail | progress ] for forwarding actions to newDefer
                                          deferred[ tuple[1] ](function() {
                                               var returned = fn && fn.apply( this, arguments );
                                               if ( returned && jQuery.isFunction( returned.promise ) ) {
                                                    returned.promise()
                                                         .done( newDefer.resolve )
                                                         .fail( newDefer.reject )
                                                         .progress( newDefer.notify );
                                               } else {
                                                    newDefer[ action + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments );
                                               }
                                          });
                                     });
                                     fns = null;
                                }).promise();
                           },
                           // Get a promise for this deferred
                           // If obj is provided, the promise aspect is added to the object
                           promise: function( obj ) {
                                return obj != null ? jQuery.extend( obj, promise ) : promise;
                           }
                      },
                      deferred = {};
       
                 // Keep pipe for back-compat
                 promise.pipe = promise.then;
       
                 // Add list-specific methods
                 jQuery.each( tuples, function( i, tuple ) {
                      var list = tuple[ 2 ],
                           stateString = tuple[ 3 ];
       
                      // promise[ done | fail | progress ] = list.add
                      promise[ tuple[1] ] = list.add;
       
                      // Handle state
                      if ( stateString ) {
                           list.add(function() {
                                // state = [ resolved | rejected ]
                                state = stateString;
       
                           // [ reject_list | resolve_list ].disable; progress_list.lock
                           }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
                      }
       
                      // deferred[ resolve | reject | notify ]
                      deferred[ tuple[0] ] = function() {
                           deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments );
                           return this;
                      };
                      deferred[ tuple[0] + "With" ] = list.fireWith;
                 });
       
                 // Make the deferred a promise
                 promise.promise( deferred );
       
                 // Call given func if any
                 if ( func ) {
                      func.call( deferred, deferred );
                 }
       
                 // All done!
                 return deferred;
            },
       
            // Deferred helper
            when: function( subordinate /* , ..., subordinateN */ ) {
                 var i = 0,
                      resolveValues = core_slice.call( arguments ),
                      length = resolveValues.length,
       
                      // the count of uncompleted subordinates
                      remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,
       
                      // the master Deferred. If resolveValues consist of only a single Deferred, just use that.
                      deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
       
                      // Update function for both resolve and progress values
                      updateFunc = function( i, contexts, values ) {
                           return function( value ) {
                                contexts[ i ] = this;
                                values[ i ] = arguments.length > 1 ? core_slice.call( arguments ) : value;
                                if( values === progressValues ) {
                                     deferred.notifyWith( contexts, values );
                                } else if ( !( --remaining ) ) {
                                     deferred.resolveWith( contexts, values );
                                }
                           };
                      },
       
                      progressValues, progressContexts, resolveContexts;
       
                 // add listeners to Deferred subordinates; treat others as resolved
                 if ( length > 1 ) {
                      progressValues = new Array( length );
                      progressContexts = new Array( length );
                      resolveContexts = new Array( length );
                      for ( ; i < length; i++ ) {
                           if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
                                resolveValues[ i ].promise()
                                     .done( updateFunc( i, resolveContexts, resolveValues ) )
                                     .fail( deferred.reject )
                                     .progress( updateFunc( i, progressContexts, progressValues ) );
                           } else {
                                --remaining;
                           }
                      }
                 }
       
                 // if we're not waiting on anything, resolve the master
                 if ( !remaining ) {
                      deferred.resolveWith( resolveContexts, resolveValues );
                 }
       
                 return deferred.promise();
            }
       });
       jQuery.support = (function() {
       
            var support, all, a,
                 input, select, fragment,
                 opt, eventName, isSupported, i,
                 div = document.createElement("div");
       
            // Setup
            div.setAttribute( "className", "t" );
            div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
       
            // Support tests won't run in some limited or non-browser environments
            all = div.getElementsByTagName("*");
            a = div.getElementsByTagName("a")[ 0 ];
            if ( !all || !a || !all.length ) {
                 return {};
            }
       
            // First batch of tests
            select = document.createElement("select");
            opt = select.appendChild( document.createElement("option") );
            input = div.getElementsByTagName("input")[ 0 ];
       
            a.style.cssText = "top:1px;float:left;opacity:.5";
            support = {
                 // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
                 getSetAttribute: div.className !== "t",
       
                 // IE strips leading whitespace when .innerHTML is used
                 leadingWhitespace: div.firstChild.nodeType === 3,
       
                 // Make sure that tbody elements aren't automatically inserted
                 // IE will insert them into empty tables
                 tbody: !div.getElementsByTagName("tbody").length,
       
                 // Make sure that link elements get serialized correctly by innerHTML
                 // This requires a wrapper element in IE
                 htmlSerialize: !!div.getElementsByTagName("link").length,
       
                 // Get the style information from getAttribute
                 // (IE uses .cssText instead)
                 style: /top/.test( a.getAttribute("style") ),
       
                 // Make sure that URLs aren't manipulated
                 // (IE normalizes it by default)
                 hrefNormalized: a.getAttribute("href") === "/a",
       
                 // Make sure that element opacity exists
                 // (IE uses filter instead)
                 // Use a regex to work around a WebKit issue. See #5145
                 opacity: /^0.5/.test( a.style.opacity ),
       
                 // Verify style float existence
                 // (IE uses styleFloat instead of cssFloat)
                 cssFloat: !!a.style.cssFloat,
       
                 // Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
                 checkOn: !!input.value,
       
                 // Make sure that a selected-by-default option has a working selected property.
                 // (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
                 optSelected: opt.selected,
       
                 // Tests for enctype support on a form (#6743)
                 enctype: !!document.createElement("form").enctype,
       
                 // Makes sure cloning an html5 element does not cause problems
                 // Where outerHTML is undefined, this still works
                 html5Clone: document.createElement("nav").cloneNode( true ).outerHTML !== "<:nav></:nav>",
       
                 // jQuery.support.boxModel DEPRECATED in 1.8 since we don't support Quirks Mode
                 boxModel: document.compatMode === "CSS1Compat",
       
                 // Will be defined later
                 deleteExpando: true,
                 noCloneEvent: true,
                 inlineBlockNeedsLayout: false,
                 shrinkWrapBlocks: false,
                 reliableMarginRight: true,
                 boxSizingReliable: true,
                 pixelPosition: false
            };
       
            // Make sure checked status is properly cloned
            input.checked = true;
            support.noCloneChecked = input.cloneNode( true ).checked;
       
            // Make sure that the options inside disabled selects aren't marked as disabled
            // (WebKit marks them as disabled)
            select.disabled = true;
            support.optDisabled = !opt.disabled;
       
            // Support: IE<9
            try {
                 delete div.test;
            } catch( e ) {
                 support.deleteExpando = false;
            }
       
            // Check if we can trust getAttribute("value")
            input = document.createElement("input");
            input.setAttribute( "value", "" );
            support.input = input.getAttribute( "value" ) === "";
       
            // Check if an input maintains its value after becoming a radio
            input.value = "t";
            input.setAttribute( "type", "radio" );
            support.radioValue = input.value === "t";
       
            // #11217 - WebKit loses check when the name is after the checked attribute
            input.setAttribute( "checked", "t" );
            input.setAttribute( "name", "t" );
       
            fragment = document.createDocumentFragment();
            fragment.appendChild( input );
       
            // Check if a disconnected checkbox will retain its checked
            // value of true after appended to the DOM (IE6/7)
            support.appendChecked = input.checked;
       
            // WebKit doesn't clone checked state correctly in fragments
            support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked;
       
            // Support: IE<9
            // Opera does not clone events (and typeof div.attachEvent === undefined).
            // IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
            if ( div.attachEvent ) {
                 div.attachEvent( "onclick", function() {
                      support.noCloneEvent = false;
                 });
       
                 div.cloneNode( true ).click();
            }
       
            // Support: IE<9 (lack submit/change bubble), Firefox 17+ (lack focusin event)
            // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP), test/csp.php
            for ( i in { submit: true, change: true, focusin: true }) {
                 div.setAttribute( eventName = "on" + i, "t" );
       
                 support[ i + "Bubbles" ] = eventName in window || div.attributes[ eventName ].expando === false;
            }
       
            div.style.backgroundClip = "content-box";
            div.cloneNode( true ).style.backgroundClip = "";
            support.clearCloneStyle = div.style.backgroundClip === "content-box";
       
            // Run tests that need a body at doc ready
            jQuery(function() {
                 var container, marginDiv, tds,
                      divReset = "padding:0;margin:0;border:0;display:block;box-sizing:content-box;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;",
                      body = document.getElementsByTagName("body")[0];
       
                 if ( !body ) {
                      // Return for frameset docs that don't have a body
                      return;
                 }
       
                 container = document.createElement("div");
                 container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";
       
                 body.appendChild( container ).appendChild( div );
       
                 // Support: IE8
                 // Check if table cells still have offsetWidth/Height when they are set
                 // to display:none and there are still other visible table cells in a
                 // table row; if so, offsetWidth/Height are not reliable for use when
                 // determining if an element has been hidden directly using
                 // display:none (it is still safe to use offsets if a parent element is
                 // hidden; don safety goggles and see bug #4512 for more information).
                 div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
                 tds = div.getElementsByTagName("td");
                 tds[ 0 ].style.cssText = "padding:0;margin:0;border:0;display:none";
                 isSupported = ( tds[ 0 ].offsetHeight === 0 );
       
                 tds[ 0 ].style.display = "";
                 tds[ 1 ].style.display = "none";
       
                 // Support: IE8
                 // Check if empty table cells still have offsetWidth/Height
                 support.reliableHiddenOffsets = isSupported && ( tds[ 0 ].offsetHeight === 0 );
       
                 // Check box-sizing and margin behavior
                 div.innerHTML = "";
                 div.style.cssText = "box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;position:absolute;top:1%;";
                 support.boxSizing = ( div.offsetWidth === 4 );
                 support.doesNotIncludeMarginInBodyOffset = ( body.offsetTop !== 1 );
       
                 // Use window.getComputedStyle because jsdom on node.js will break without it.
                 if ( window.getComputedStyle ) {
                      support.pixelPosition = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
                      support.boxSizingReliable = ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
       
                      // Check if div with explicit width and no margin-right incorrectly
                      // gets computed margin-right based on width of container. (#3333)
                      // Fails in WebKit before Feb 2011 nightlies
                      // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
                      marginDiv = div.appendChild( document.createElement("div") );
                      marginDiv.style.cssText = div.style.cssText = divReset;
                      marginDiv.style.marginRight = marginDiv.style.width = "0";
                      div.style.width = "1px";
       
                      support.reliableMarginRight =
                           !parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight );
                 }
       
                 if ( typeof div.style.zoom !== core_strundefined ) {
                      // Support: IE<8
                      // Check if natively block-level elements act like inline-block
                      // elements when setting their display to 'inline' and giving
                      // them layout
                      div.innerHTML = "";
                      div.style.cssText = divReset + "width:1px;padding:1px;display:inline;zoom:1";
                      support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 );
       
                      // Support: IE6
                      // Check if elements with layout shrink-wrap their children
                      div.style.display = "block";
                      div.innerHTML = "<div></div>";
                      div.firstChild.style.width = "5px";
                      support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );
       
                      if ( support.inlineBlockNeedsLayout ) {
                           // Prevent IE 6 from affecting layout for positioned elements #11048
                           // Prevent IE from shrinking the body in IE 7 mode #12869
                           // Support: IE<8
                           body.style.zoom = 1;
                      }
                 }
       
                 body.removeChild( container );
       
                 // Null elements to avoid leaks in IE
                 container = div = tds = marginDiv = null;
            });
       
            // Null elements to avoid leaks in IE
            all = select = fragment = opt = a = input = null;
       
            return support;
       })();
       
       var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
            rmultiDash = /([A-Z])/g;
       
       function internalData( elem, name, data, pvt /* Internal Use Only */ ){
            if ( !jQuery.acceptData( elem ) ) {
                 return;
            }
       
            var thisCache, ret,
                 internalKey = jQuery.expando,
                 getByName = typeof name === "string",
       
                 // We have to handle DOM nodes and JS objects differently because IE6-7
                 // can't GC object references properly across the DOM-JS boundary
                 isNode = elem.nodeType,
       
                 // Only DOM nodes need the global jQuery cache; JS object data is
                 // attached directly to the object so GC can occur automatically
                 cache = isNode ? jQuery.cache : elem,
       
                 // Only defining an ID for JS objects if its cache already exists allows
                 // the code to shortcut on the same path as a DOM node with no cache
                 id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
       
            // Avoid doing any more work than we need to when trying to get data on an
            // object that has no data at all
            if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && getByName && data === undefined ) {
                 return;
            }
       
            if ( !id ) {
                 // Only DOM nodes need a new unique ID for each element since their data
                 // ends up in the global cache
                 if ( isNode ) {
                      elem[ internalKey ] = id = core_deletedIds.pop() || jQuery.guid++;
                 } else {
                      id = internalKey;
                 }
            }
       
            if ( !cache[ id ] ) {
                 cache[ id ] = {};
       
                 // Avoids exposing jQuery metadata on plain JS objects when the object
                 // is serialized using JSON.stringify
                 if ( !isNode ) {
                      cache[ id ].toJSON = jQuery.noop;
                 }
            }
       
            // An object can be passed to jQuery.data instead of a key/value pair; this gets
            // shallow copied over onto the existing cache
            if ( typeof name === "object" || typeof name === "function" ) {
                 if ( pvt ) {
                      cache[ id ] = jQuery.extend( cache[ id ], name );
                 } else {
                      cache[ id ].data = jQuery.extend( cache[ id ].data, name );
                 }
            }
       
            thisCache = cache[ id ];
       
            // jQuery data() is stored in a separate object inside the object's internal data
            // cache in order to avoid key collisions between internal data and user-defined
            // data.
            if ( !pvt ) {
                 if ( !thisCache.data ) {
                      thisCache.data = {};
                 }
       
                 thisCache = thisCache.data;
            }
       
            if ( data !== undefined ) {
                 thisCache[ jQuery.camelCase( name ) ] = data;
            }
       
            // Check for both converted-to-camel and non-converted data property names
            // If a data property was specified
            if ( getByName ) {
       
                 // First Try to find as-is property data
                 ret = thisCache[ name ];
       
                 // Test for null|undefined property data
                 if ( ret == null ) {
       
                      // Try to find the camelCased property
                      ret = thisCache[ jQuery.camelCase( name ) ];
                 }
            } else {
                 ret = thisCache;
            }
       
            return ret;
       }
       
       function internalRemoveData( elem, name, pvt ) {
            if ( !jQuery.acceptData( elem ) ) {
                 return;
            }
       
            var i, l, thisCache,
                 isNode = elem.nodeType,
       
                 // See jQuery.data for more information
                 cache = isNode ? jQuery.cache : elem,
                 id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
       
            // If there is already no cache entry for this object, there is no
            // purpose in continuing
            if ( !cache[ id ] ) {
                 return;
            }
       
            if ( name ) {
       
                 thisCache = pvt ? cache[ id ] : cache[ id ].data;
       
                 if ( thisCache ) {
       
                      // Support array or space separated string names for data keys
                      if ( !jQuery.isArray( name ) ) {
       
                           // try the string as a key before any manipulation
                           if ( name in thisCache ) {
                                name = [ name ];
                           } else {
       
                                // split the camel cased version by spaces unless a key with the spaces exists
                                name = jQuery.camelCase( name );
                                if ( name in thisCache ) {
                                     name = [ name ];
                                } else {
                                     name = name.split(" ");
                                }
                           }
                      } else {
                           // If "name" is an array of keys...
                           // When data is initially created, via ("key", "val") signature,
                           // keys will be converted to camelCase.
                           // Since there is no way to tell _how_ a key was added, remove
                           // both plain key and camelCase key. #12786
                           // This will only penalize the array argument path.
                           name = name.concat( jQuery.map( name, jQuery.camelCase ) );
                      }
       
                      for ( i = 0, l = name.length; i < l; i++ ) {
                           delete thisCache[ name[i] ];
                      }
       
                      // If there is no data left in the cache, we want to continue
                      // and let the cache object itself get destroyed
                      if ( !( pvt ? isEmptyDataObject : jQuery.isEmptyObject )( thisCache ) ) {
                           return;
                      }
                 }
            }
       
            // See jQuery.data for more information
            if ( !pvt ) {
                 delete cache[ id ].data;
       
                 // Don't destroy the parent cache unless the internal data object
                 // had been the only thing left in it
                 if ( !isEmptyDataObject( cache[ id ] ) ) {
                      return;
                 }
            }
       
            // Destroy the cache
            if ( isNode ) {
                 jQuery.cleanData( [ elem ], true );
       
            // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
            } else if ( jQuery.support.deleteExpando || cache != cache.window ) {
                 delete cache[ id ];
       
            // When all else fails, null
            } else {
                 cache[ id ] = null;
            }
       }
       
       jQuery.extend({
            cache: {},
       
            // Unique for each copy of jQuery on the page
            // Non-digits removed to match rinlinejQuery
            expando: "jQuery" + ( core_version + Math.random() ).replace( /\D/g, "" ),
       
            // The following elements throw uncatchable exceptions if you
            // attempt to add expando properties to them.
            noData: {
                 "embed": true,
                 // Ban all objects except for Flash (which handle expandos)
                 "object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000",
                 "applet": true
            },
       
            hasData: function( elem ) {
                 elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
                 return !!elem && !isEmptyDataObject( elem );
            },
       
            data: function( elem, name, data ) {
                 return internalData( elem, name, data );
            },
       
            removeData: function( elem, name ) {
                 return internalRemoveData( elem, name );
            },
       
            // For internal use only.
            _data: function( elem, name, data ) {
                 return internalData( elem, name, data, true );
            },
       
            _removeData: function( elem, name ) {
                 return internalRemoveData( elem, name, true );
            },
       
            // A method for determining if a DOM node can handle the data expando
            acceptData: function( elem ) {
                 // Do not set data on non-element because it will not be cleared (#8335).
                 if ( elem.nodeType && elem.nodeType !== 1 && elem.nodeType !== 9 ) {
                      return false;
                 }
       
                 var noData = elem.nodeName && jQuery.noData[ elem.nodeName.toLowerCase() ];
       
                 // nodes accept data unless otherwise specified; rejection can be conditional
                 return !noData || noData !== true && elem.getAttribute("classid") === noData;
            }
       });
       
       jQuery.fn.extend({
            data: function( key, value ) {
                 var attrs, name,
                      elem = this[0],
                      i = 0,
                      data = null;
       
                 // Gets all values
                 if ( key === undefined ) {
                      if ( this.length ) {
                           data = jQuery.data( elem );
       
                           if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) {
                                attrs = elem.attributes;
                                for ( ; i < attrs.length; i++ ) {
                                     name = attrs[i].name;
       
                                     if ( !name.indexOf( "data-" ) ) {
                                          name = jQuery.camelCase( name.slice(5) );
       
                                          dataAttr( elem, name, data[ name ] );
                                     }
                                }
                                jQuery._data( elem, "parsedAttrs", true );
                           }
                      }
       
                      return data;
                 }
       
                 // Sets multiple values
                 if ( typeof key === "object" ) {
                      return this.each(function() {
                           jQuery.data( this, key );
                      });
                 }
       
                 return jQuery.access( this, function( value ) {
       
                      if ( value === undefined ) {
                           // Try to fetch any internally stored data first
                           return elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : null;
                      }
       
                      this.each(function() {
                           jQuery.data( this, key, value );
                      });
                 }, null, value, arguments.length > 1, null, true );
            },
       
            removeData: function( key ) {
                 return this.each(function() {
                      jQuery.removeData( this, key );
                 });
            }
       });
       
       function dataAttr( elem, key, data ) {
            // If nothing was found internally, try to fetch any
            // data from the HTML5 data-* attribute
            if ( data === undefined && elem.nodeType === 1 ) {
       
                 var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
       
                 data = elem.getAttribute( name );
       
                 if ( typeof data === "string" ) {
                      try {
                           data = data === "true" ? true :
                                data === "false" ? false :
                                data === "null" ? null :
                                // Only convert to a number if it doesn't change the string
                                +data + "" === data ? +data :
                                rbrace.test( data ) ? jQuery.parseJSON( data ) :
                                     data;
                      } catch( e ) {}
       
                      // Make sure we set the data so it isn't changed later
                      jQuery.data( elem, key, data );
       
                 } else {
                      data = undefined;
                 }
            }
       
            return data;
       }
       
       // checks a cache object for emptiness
       function isEmptyDataObject( obj ) {
            var name;
            for ( name in obj ) {
       
                 // if the public data object is empty, the private is still empty
                 if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
                      continue;
                 }
                 if ( name !== "toJSON" ) {
                      return false;
                 }
            }
       
            return true;
       }
       jQuery.extend({
            queue: function( elem, type, data ) {
                 var queue;
       
                 if ( elem ) {
                      type = ( type || "fx" ) + "queue";
                      queue = jQuery._data( elem, type );
       
                      // Speed up dequeue by getting out quickly if this is just a lookup
                      if ( data ) {
                           if ( !queue || jQuery.isArray(data) ) {
                                queue = jQuery._data( elem, type, jQuery.makeArray(data) );
                           } else {
                                queue.push( data );
                           }
                      }
                      return queue || [];
                 }
            },
       
            dequeue: function( elem, type ) {
                 type = type || "fx";
       
                 var queue = jQuery.queue( elem, type ),
                      startLength = queue.length,
                      fn = queue.shift(),
                      hooks = jQuery._queueHooks( elem, type ),
                      next = function() {
                           jQuery.dequeue( elem, type );
                      };
       
                 // If the fx queue is dequeued, always remove the progress sentinel
                 if ( fn === "inprogress" ) {
                      fn = queue.shift();
                      startLength--;
                 }
       
                 hooks.cur = fn;
                 if ( fn ) {
       
                      // Add a progress sentinel to prevent the fx queue from being
                      // automatically dequeued
                      if ( type === "fx" ) {
                           queue.unshift( "inprogress" );
                      }
       
                      // clear up the last queue stop function
                      delete hooks.stop;
                      fn.call( elem, next, hooks );
                 }
       
                 if ( !startLength && hooks ) {
                      hooks.empty.fire();
                 }
            },
       
            // not intended for public consumption - generates a queueHooks object, or returns the current one
            _queueHooks: function( elem, type ) {
                 var key = type + "queueHooks";
                 return jQuery._data( elem, key ) || jQuery._data( elem, key, {
                      empty: jQuery.Callbacks("once memory").add(function() {
                           jQuery._removeData( elem, type + "queue" );
                           jQuery._removeData( elem, key );
                      })
                 });
            }
       });
       
       jQuery.fn.extend({
            queue: function( type, data ) {
                 var setter = 2;
       
                 if ( typeof type !== "string" ) {
                      data = type;
                      type = "fx";
                      setter--;
                 }
       
                 if ( arguments.length < setter ) {
                      return jQuery.queue( this[0], type );
                 }
       
                 return data === undefined ?
                      this :
                      this.each(function() {
                           var queue = jQuery.queue( this, type, data );
       
                           // ensure a hooks for this queue
                           jQuery._queueHooks( this, type );
       
                           if ( type === "fx" && queue[0] !== "inprogress" ) {
                                jQuery.dequeue( this, type );
                           }
                      });
            },
            dequeue: function( type ) {
                 return this.each(function() {
                      jQuery.dequeue( this, type );
                 });
            },
            // Based off of the plugin by Clint Helfers, with permission.
            // http://blindsignals.com/index.php/2009/07/jquery-delay/
            delay: function( time, type ) {
                 time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
                 type = type || "fx";
       
                 return this.queue( type, function( next, hooks ) {
                      var timeout = setTimeout( next, time );
                      hooks.stop = function() {
                           clearTimeout( timeout );
                      };
                 });
            },
            clearQueue: function( type ) {
                 return this.queue( type || "fx", [] );
            },
            // Get a promise resolved when queues of a certain type
            // are emptied (fx is the type by default)
            promise: function( type, obj ) {
                 var tmp,
                      count = 1,
                      defer = jQuery.Deferred(),
                      elements = this,
                      i = this.length,
                      resolve = function() {
                           if ( !( --count ) ) {
                                defer.resolveWith( elements, [ elements ] );
                           }
                      };
       
                 if ( typeof type !== "string" ) {
                      obj = type;
                      type = undefined;
                 }
                 type = type || "fx";
       
                 while( i-- ) {
                      tmp = jQuery._data( elements[ i ], type + "queueHooks" );
                      if ( tmp && tmp.empty ) {
                           count++;
                           tmp.empty.add( resolve );
                      }
                 }
                 resolve();
                 return defer.promise( obj );
            }
       });
       var nodeHook, boolHook,
            rclass = /[\t\r\n]/g,
            rreturn = /\r/g,
            rfocusable = /^(?:input|select|textarea|button|object)$/i,
            rclickable = /^(?:a|area)$/i,
            rboolean = /^(?:checked|selected|autofocus|autoplay|async|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped)$/i,
            ruseDefault = /^(?:checked|selected)$/i,
            getSetAttribute = jQuery.support.getSetAttribute,
            getSetInput = jQuery.support.input;
       
       jQuery.fn.extend({
            attr: function( name, value ) {
                 return jQuery.access( this, jQuery.attr, name, value, arguments.length > 1 );
            },
       
            removeAttr: function( name ) {
                 return this.each(function() {
                      jQuery.removeAttr( this, name );
                 });
            },
       
            prop: function( name, value ) {
                 return jQuery.access( this, jQuery.prop, name, value, arguments.length > 1 );
            },
       
            removeProp: function( name ) {
                 name = jQuery.propFix[ name ] || name;
                 return this.each(function() {
                      // try/catch handles cases where IE balks (such as removing a property on window)
                      try {
                           this[ name ] = undefined;
                           delete this[ name ];
                      } catch( e ) {}
                 });
            },
       
            addClass: function( value ) {
                 var classes, elem, cur, clazz, j,
                      i = 0,
                      len = this.length,
                      proceed = typeof value === "string" && value;
       
                 if ( jQuery.isFunction( value ) ) {
                      return this.each(function( j ) {
                           jQuery( this ).addClass( value.call( this, j, this.className ) );
                      });
                 }
       
                 if ( proceed ) {
                      // The disjunction here is for better compressibility (see removeClass)
                      classes = ( value || "" ).match( core_rnotwhite ) || [];
       
                      for ( ; i < len; i++ ) {
                           elem = this[ i ];
                           cur = elem.nodeType === 1 && ( elem.className ?
                                ( " " + elem.className + " " ).replace( rclass, " " ) :
                                " "
                           );
       
                           if ( cur ) {
                                j = 0;
                                while ( (clazz = classes[j++]) ) {
                                     if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
                                          cur += clazz + " ";
                                     }
                                }
                                elem.className = jQuery.trim( cur );
       
                           }
                      }
                 }
       
                 return this;
            },
       
            removeClass: function( value ) {
                 var classes, elem, cur, clazz, j,
                      i = 0,
                      len = this.length,
                      proceed = arguments.length === 0 || typeof value === "string" && value;
       
                 if ( jQuery.isFunction( value ) ) {
                      return this.each(function( j ) {
                           jQuery( this ).removeClass( value.call( this, j, this.className ) );
                      });
                 }
                 if ( proceed ) {
                      classes = ( value || "" ).match( core_rnotwhite ) || [];
       
                      for ( ; i < len; i++ ) {
                           elem = this[ i ];
                           // This expression is here for better compressibility (see addClass)
                           cur = elem.nodeType === 1 && ( elem.className ?
                                ( " " + elem.className + " " ).replace( rclass, " " ) :
                                ""
                           );
       
                           if ( cur ) {
                                j = 0;
                                while ( (clazz = classes[j++]) ) {
                                     // Remove *all* instances
                                     while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
                                          cur = cur.replace( " " + clazz + " ", " " );
                                     }
                                }
                                elem.className = value ? jQuery.trim( cur ) : "";
                           }
                      }
                 }
       
                 return this;
            },
       
            toggleClass: function( value, stateVal ) {
                 var type = typeof value,
                      isBool = typeof stateVal === "boolean";
       
                 if ( jQuery.isFunction( value ) ) {
                      return this.each(function( i ) {
                           jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
                      });
                 }
       
                 return this.each(function() {
                      if ( type === "string" ) {
                           // toggle individual class names
                           var className,
                                i = 0,
                                self = jQuery( this ),
                                state = stateVal,
                                classNames = value.match( core_rnotwhite ) || [];
       
                           while ( (className = classNames[ i++ ]) ) {
                                // check each className given, space separated list
                                state = isBool ? state : !self.hasClass( className );
                                self[ state ? "addClass" : "removeClass" ]( className );
                           }
       
                      // Toggle whole class name
                      } else if ( type === core_strundefined || type === "boolean" ) {
                           if ( this.className ) {
                                // store className if set
                                jQuery._data( this, "__className__", this.className );
                           }
       
                           // If the element has a class name or if we're passed "false",
                           // then remove the whole classname (if there was one, the above saved it).
                           // Otherwise bring back whatever was previously saved (if anything),
                           // falling back to the empty string if nothing was stored.
                           this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || "";
                      }
                 });
            },
       
            hasClass: function( selector ) {
                 var className = " " + selector + " ",
                      i = 0,
                      l = this.length;
                 for ( ; i < l; i++ ) {
                      if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
                           return true;
                      }
                 }
       
                 return false;
            },
       
            val: function( value ) {
                 var ret, hooks, isFunction,
                      elem = this[0];
       
                 if ( !arguments.length ) {
                      if ( elem ) {
                           hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
       
                           if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
                                return ret;
                           }
       
                           ret = elem.value;
       
                           return typeof ret === "string" ?
                                // handle most common string cases
                                ret.replace(rreturn, "") :
                                // handle cases where value is null/undef or number
                                ret == null ? "" : ret;
                      }
       
                      return;
                 }
       
                 isFunction = jQuery.isFunction( value );
       
                 return this.each(function( i ) {
                      var val,
                           self = jQuery(this);
       
                      if ( this.nodeType !== 1 ) {
                           return;
                      }
       
                      if ( isFunction ) {
                           val = value.call( this, i, self.val() );
                      } else {
                           val = value;
                      }
       
                      // Treat null/undefined as ""; convert numbers to string
                      if ( val == null ) {
                           val = "";
                      } else if ( typeof val === "number" ) {
                           val += "";
                      } else if ( jQuery.isArray( val ) ) {
                           val = jQuery.map(val, function ( value ) {
                                return value == null ? "" : value + "";
                           });
                      }
       
                      hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
       
                      // If set returns undefined, fall back to normal setting
                      if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
                           this.value = val;
                      }
                 });
            }
       });
       
       jQuery.extend({
            valHooks: {
                 option: {
                      get: function( elem ) {
                           // attributes.value is undefined in Blackberry 4.7 but
                           // uses .value. See #6932
                           var val = elem.attributes.value;
                           return !val || val.specified ? elem.value : elem.text;
                      }
                 },
                 select: {
                      get: function( elem ) {
                           var value, option,
                                options = elem.options,
                                index = elem.selectedIndex,
                                one = elem.type === "select-one" || index < 0,
                                values = one ? null : [],
                                max = one ? index + 1 : options.length,
                                i = index < 0 ?
                                     max :
                                     one ? index : 0;
       
                           // Loop through all the selected options
                           for ( ; i < max; i++ ) {
                                option = options[ i ];
       
                                // oldIE doesn't update selected after form reset (#2551)
                                if ( ( option.selected || i === index ) &&
                                          // Don't return options that are disabled or in a disabled optgroup
                                          ( jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) &&
                                          ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
       
                                     // Get the specific value for the option
                                     value = jQuery( option ).val();
       
                                     // We don't need an array for one selects
                                     if ( one ) {
                                          return value;
                                     }
       
                                     // Multi-Selects return an array
                                     values.push( value );
                                }
                           }
       
                           return values;
                      },
       
                      set: function( elem, value ) {
                           var values = jQuery.makeArray( value );
       
                           jQuery(elem).find("option").each(function() {
                                this.selected = jQuery.inArray( jQuery(this).val(), values ) >= 0;
                           });
       
                           if ( !values.length ) {
                                elem.selectedIndex = -1;
                           }
                           return values;
                      }
                 }
            },
       
            attr: function( elem, name, value ) {
                 var hooks, notxml, ret,
                      nType = elem.nodeType;
       
                 // don't get/set attributes on text, comment and attribute nodes
                 if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
                      return;
                 }
       
                 // Fallback to prop when attributes are not supported
                 if ( typeof elem.getAttribute === core_strundefined ) {
                      return jQuery.prop( elem, name, value );
                 }
       
                 notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
       
                 // All attributes are lowercase
                 // Grab necessary hook if one is defined
                 if ( notxml ) {
                      name = name.toLowerCase();
                      hooks = jQuery.attrHooks[ name ] || ( rboolean.test( name ) ? boolHook : nodeHook );
                 }
       
                 if ( value !== undefined ) {
       
                      if ( value === null ) {
                           jQuery.removeAttr( elem, name );
       
                      } else if ( hooks && notxml && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
                           return ret;
       
                      } else {
                           elem.setAttribute( name, value + "" );
                           return value;
                      }
       
                 } else if ( hooks && notxml && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
                      return ret;
       
                 } else {
       
                      // In IE9+, Flash objects don't have .getAttribute (#12945)
                      // Support: IE9+
                      if ( typeof elem.getAttribute !== core_strundefined ) {
                           ret =  elem.getAttribute( name );
                      }
       
                      // Non-existent attributes return null, we normalize to undefined
                      return ret == null ?
                           undefined :
                           ret;
                 }
            },
       
            removeAttr: function( elem, value ) {
                 var name, propName,
                      i = 0,
                      attrNames = value && value.match( core_rnotwhite );
       
                 if ( attrNames && elem.nodeType === 1 ) {
                      while ( (name = attrNames[i++]) ) {
                           propName = jQuery.propFix[ name ] || name;
       
                           // Boolean attributes get special treatment (#10870)
                           if ( rboolean.test( name ) ) {
                                // Set corresponding property to false for boolean attributes
                                // Also clear defaultChecked/defaultSelected (if appropriate) for IE<8
                                if ( !getSetAttribute && ruseDefault.test( name ) ) {
                                     elem[ jQuery.camelCase( "default-" + name ) ] =
                                          elem[ propName ] = false;
                                } else {
                                     elem[ propName ] = false;
                                }
       
                           // See #9699 for explanation of this approach (setting first, then removal)
                           } else {
                                jQuery.attr( elem, name, "" );
                           }
       
                           elem.removeAttribute( getSetAttribute ? name : propName );
                      }
                 }
            },
       
            attrHooks: {
                 type: {
                      set: function( elem, value ) {
                           if ( !jQuery.support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
                                // Setting the type on a radio button after the value resets the value in IE6-9
                                // Reset value to default in case type is set after value during creation
                                var val = elem.value;
                                elem.setAttribute( "type", value );
                                if ( val ) {
                                     elem.value = val;
                                }
                                return value;
                           }
                      }
                 }
            },
       
            propFix: {
                 tabindex: "tabIndex",
                 readonly: "readOnly",
                 "for": "htmlFor",
                 "class": "className",
                 maxlength: "maxLength",
                 cellspacing: "cellSpacing",
                 cellpadding: "cellPadding",
                 rowspan: "rowSpan",
                 colspan: "colSpan",
                 usemap: "useMap",
                 frameborder: "frameBorder",
                 contenteditable: "contentEditable"
            },
       
            prop: function( elem, name, value ) {
                 var ret, hooks, notxml,
                      nType = elem.nodeType;
       
                 // don't get/set properties on text, comment and attribute nodes
                 if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
                      return;
                 }
       
                 notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
       
                 if ( notxml ) {
                      // Fix name and attach hooks
                      name = jQuery.propFix[ name ] || name;
                      hooks = jQuery.propHooks[ name ];
                 }
       
                 if ( value !== undefined ) {
                      if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
                           return ret;
       
                      } else {
                           return ( elem[ name ] = value );
                      }
       
                 } else {
                      if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
                           return ret;
       
                      } else {
                           return elem[ name ];
                      }
                 }
            },
       
            propHooks: {
                 tabIndex: {
                      get: function( elem ) {
                           // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
                           // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
                           var attributeNode = elem.getAttributeNode("tabindex");
       
                           return attributeNode && attributeNode.specified ?
                                parseInt( attributeNode.value, 10 ) :
                                rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
                                     0 :
                                     undefined;
                      }
                 }
            }
       });
       
       // Hook for boolean attributes
       boolHook = {
            get: function( elem, name ) {
                 var
                      // Use .prop to determine if this attribute is understood as boolean
                      prop = jQuery.prop( elem, name ),
       
                      // Fetch it accordingly
                      attr = typeof prop === "boolean" && elem.getAttribute( name ),
                      detail = typeof prop === "boolean" ?
       
                           getSetInput && getSetAttribute ?
                                attr != null :
                                // oldIE fabricates an empty string for missing boolean attributes
                                // and conflates checked/selected into attroperties
                                ruseDefault.test( name ) ?
                                     elem[ jQuery.camelCase( "default-" + name ) ] :
                                     !!attr :
       
                           // fetch an attribute node for properties not recognized as boolean
                           elem.getAttributeNode( name );
       
                 return detail && detail.value !== false ?
                      name.toLowerCase() :
                      undefined;
            },
            set: function( elem, value, name ) {
                 if ( value === false ) {
                      // Remove boolean attributes when set to false
                      jQuery.removeAttr( elem, name );
                 } else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
                      // IE<8 needs the *property* name
                      elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );
       
                 // Use defaultChecked and defaultSelected for oldIE
                 } else {
                      elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true;
                 }
       
                 return name;
            }
       };
       
       // fix oldIE value attroperty
       if ( !getSetInput || !getSetAttribute ) {
            jQuery.attrHooks.value = {
                 get: function( elem, name ) {
                      var ret = elem.getAttributeNode( name );
                      return jQuery.nodeName( elem, "input" ) ?
       
                           // Ignore the value *property* by using defaultValue
                           elem.defaultValue :
       
                           ret && ret.specified ? ret.value : undefined;
                 },
                 set: function( elem, value, name ) {
                      if ( jQuery.nodeName( elem, "input" ) ) {
                           // Does not return so that setAttribute is also used
                           elem.defaultValue = value;
                      } else {
                           // Use nodeHook if defined (#1954); otherwise setAttribute is fine
                           return nodeHook && nodeHook.set( elem, value, name );
                      }
                 }
            };
       }
       
       // IE6/7 do not support getting/setting some attributes with get/setAttribute
       if ( !getSetAttribute ) {
       
            // Use this for any attribute in IE6/7
            // This fixes almost every IE6/7 issue
            nodeHook = jQuery.valHooks.button = {
                 get: function( elem, name ) {
                      var ret = elem.getAttributeNode( name );
                      return ret && ( name === "id" || name === "name" || name === "coords" ? ret.value !== "" : ret.specified ) ?
                           ret.value :
                           undefined;
                 },
                 set: function( elem, value, name ) {
                      // Set the existing or create a new attribute node
                      var ret = elem.getAttributeNode( name );
                      if ( !ret ) {
                           elem.setAttributeNode(
                                (ret = elem.ownerDocument.createAttribute( name ))
                           );
                      }
       
                      ret.value = value += "";
       
                      // Break association with cloned elements by also using setAttribute (#9646)
                      return name === "value" || value === elem.getAttribute( name ) ?
                           value :
                           undefined;
                 }
            };
       
            // Set contenteditable to false on removals(#10429)
            // Setting to empty string throws an error as an invalid value
            jQuery.attrHooks.contenteditable = {
                 get: nodeHook.get,
                 set: function( elem, value, name ) {
                      nodeHook.set( elem, value === "" ? false : value, name );
                 }
            };
       
            // Set width and height to auto instead of 0 on empty string( Bug #8150 )
            // This is for removals
            jQuery.each([ "width", "height" ], function( i, name ) {
                 jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
                      set: function( elem, value ) {
                           if ( value === "" ) {
                                elem.setAttribute( name, "auto" );
                                return value;
                           }
                      }
                 });
            });
       }
       
       
       // Some attributes require a special call on IE
       // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
       if ( !jQuery.support.hrefNormalized ) {
            jQuery.each([ "href", "src", "width", "height" ], function( i, name ) {
                 jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
                      get: function( elem ) {
                           var ret = elem.getAttribute( name, 2 );
                           return ret == null ? undefined : ret;
                      }
                 });
            });
       
            // href/src property should get the full normalized URL (#10299/#12915)
            jQuery.each([ "href", "src" ], function( i, name ) {
                 jQuery.propHooks[ name ] = {
                      get: function( elem ) {
                           return elem.getAttribute( name, 4 );
                      }
                 };
            });
       }
       
       if ( !jQuery.support.style ) {
            jQuery.attrHooks.style = {
                 get: function( elem ) {
                      // Return undefined in the case of empty string
                      // Note: IE uppercases css property names, but if we were to .toLowerCase()
                      // .cssText, that would destroy case senstitivity in URL's, like in "background"
                      return elem.style.cssText || undefined;
                 },
                 set: function( elem, value ) {
                      return ( elem.style.cssText = value + "" );
                 }
            };
       }
       
       // Safari mis-reports the default selected property of an option
       // Accessing the parent's selectedIndex property fixes it
       if ( !jQuery.support.optSelected ) {
            jQuery.propHooks.selected = jQuery.extend( jQuery.propHooks.selected, {
                 get: function( elem ) {
                      var parent = elem.parentNode;
       
                      if ( parent ) {
                           parent.selectedIndex;
       
                           // Make sure that it also works with optgroups, see #5701
                           if ( parent.parentNode ) {
                                parent.parentNode.selectedIndex;
                           }
                      }
                      return null;
                 }
            });
       }
       
       // IE6/7 call enctype encoding
       if ( !jQuery.support.enctype ) {
            jQuery.propFix.enctype = "encoding";
       }
       
       // Radios and checkboxes getter/setter
       if ( !jQuery.support.checkOn ) {
            jQuery.each([ "radio", "checkbox" ], function() {
                 jQuery.valHooks[ this ] = {
                      get: function( elem ) {
                           // Handle the case where in Webkit "" is returned instead of "on" if a value isn't specified
                           return elem.getAttribute("value") === null ? "on" : elem.value;
                      }
                 };
            });
       }
       jQuery.each([ "radio", "checkbox" ], function() {
            jQuery.valHooks[ this ] = jQuery.extend( jQuery.valHooks[ this ], {
                 set: function( elem, value ) {
                      if ( jQuery.isArray( value ) ) {
                           return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
                      }
                 }
            });
       });
       var rformElems = /^(?:input|select|textarea)$/i,
            rkeyEvent = /^key/,
            rmouseEvent = /^(?:mouse|contextmenu)|click/,
            rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
            rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
       
       function returnTrue() {
            return true;
       }
       
       function returnFalse() {
            return false;
       }
       
       /*
        * Helper functions for managing events -- not part of the public interface.
        * Props to Dean Edwards' addEvent library for many of the ideas.
        */
       jQuery.event = {
       
            global: {},
       
            add: function( elem, types, handler, data, selector ) {
                 var tmp, events, t, handleObjIn,
                      special, eventHandle, handleObj,
                      handlers, type, namespaces, origType,
                      elemData = jQuery._data( elem );
       
                 // Don't attach events to noData or text/comment nodes (but allow plain objects)
                 if ( !elemData ) {
                      return;
                 }
       
                 // Caller can pass in an object of custom data in lieu of the handler
                 if ( handler.handler ) {
                      handleObjIn = handler;
                      handler = handleObjIn.handler;
                      selector = handleObjIn.selector;
                 }
       
                 // Make sure that the handler has a unique ID, used to find/remove it later
                 if ( !handler.guid ) {
                      handler.guid = jQuery.guid++;
                 }
       
                 // Init the element's event structure and main handler, if this is the first
                 if ( !(events = elemData.events) ) {
                      events = elemData.events = {};
                 }
                 if ( !(eventHandle = elemData.handle) ) {
                      eventHandle = elemData.handle = function( e ) {
                           // Discard the second event of a jQuery.event.trigger() and
                           // when an event is called after a page has unloaded
                           return typeof jQuery !== core_strundefined && (!e || jQuery.event.triggered !== e.type) ?
                                jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
                                undefined;
                      };
                      // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
                      eventHandle.elem = elem;
                 }
       
                 // Handle multiple events separated by a space
                 // jQuery(...).bind("mouseover mouseout", fn);
                 types = ( types || "" ).match( core_rnotwhite ) || [""];
                 t = types.length;
                 while ( t-- ) {
                      tmp = rtypenamespace.exec( types[t] ) || [];
                      type = origType = tmp[1];
                      namespaces = ( tmp[2] || "" ).split( "." ).sort();
       
                      // If event changes its type, use the special event handlers for the changed type
                      special = jQuery.event.special[ type ] || {};
       
                      // If selector defined, determine special event api type, otherwise given type
                      type = ( selector ? special.delegateType : special.bindType ) || type;
       
                      // Update special based on newly reset type
                      special = jQuery.event.special[ type ] || {};
       
                      // handleObj is passed to all event handlers
                      handleObj = jQuery.extend({
                           type: type,
                           origType: origType,
                           data: data,
                           handler: handler,
                           guid: handler.guid,
                           selector: selector,
                           needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
                           namespace: namespaces.join(".")
                      }, handleObjIn );
       
                      // Init the event handler queue if we're the first
                      if ( !(handlers = events[ type ]) ) {
                           handlers = events[ type ] = [];
                           handlers.delegateCount = 0;
       
                           // Only use addEventListener/attachEvent if the special events handler returns false
                           if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
                                // Bind the global event handler to the element
                                if ( elem.addEventListener ) {
                                     elem.addEventListener( type, eventHandle, false );
       
                                } else if ( elem.attachEvent ) {
                                     elem.attachEvent( "on" + type, eventHandle );
                                }
                           }
                      }
       
                      if ( special.add ) {
                           special.add.call( elem, handleObj );
       
                           if ( !handleObj.handler.guid ) {
                                handleObj.handler.guid = handler.guid;
                           }
                      }
       
                      // Add to the element's handler list, delegates in front
                      if ( selector ) {
                           handlers.splice( handlers.delegateCount++, 0, handleObj );
                      } else {
                           handlers.push( handleObj );
                      }
       
                      // Keep track of which events have ever been used, for event optimization
                      jQuery.event.global[ type ] = true;
                 }
       
                 // Nullify elem to prevent memory leaks in IE
                 elem = null;
            },
       
            // Detach an event or set of events from an element
            remove: function( elem, types, handler, selector, mappedTypes ) {
                 var j, handleObj, tmp,
                      origCount, t, events,
                      special, handlers, type,
                      namespaces, origType,
                      elemData = jQuery.hasData( elem ) && jQuery._data( elem );
       
                 if ( !elemData || !(events = elemData.events) ) {
                      return;
                 }
       
                 // Once for each type.namespace in types; type may be omitted
                 types = ( types || "" ).match( core_rnotwhite ) || [""];
                 t = types.length;
                 while ( t-- ) {
                      tmp = rtypenamespace.exec( types[t] ) || [];
                      type = origType = tmp[1];
                      namespaces = ( tmp[2] || "" ).split( "." ).sort();
       
                      // Unbind all events (on this namespace, if provided) for the element
                      if ( !type ) {
                           for ( type in events ) {
                                jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
                           }
                           continue;
                      }
       
                      special = jQuery.event.special[ type ] || {};
                      type = ( selector ? special.delegateType : special.bindType ) || type;
                      handlers = events[ type ] || [];
                      tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );
       
                      // Remove matching events
                      origCount = j = handlers.length;
                      while ( j-- ) {
                           handleObj = handlers[ j ];
       
                           if ( ( mappedTypes || origType === handleObj.origType ) &&
                                ( !handler || handler.guid === handleObj.guid ) &&
                                ( !tmp || tmp.test( handleObj.namespace ) ) &&
                                ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
                                handlers.splice( j, 1 );
       
                                if ( handleObj.selector ) {
                                     handlers.delegateCount--;
                                }
                                if ( special.remove ) {
                                     special.remove.call( elem, handleObj );
                                }
                           }
                      }
       
                      // Remove generic event handler if we removed something and no more handlers exist
                      // (avoids potential for endless recursion during removal of special event handlers)
                      if ( origCount && !handlers.length ) {
                           if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
                                jQuery.removeEvent( elem, type, elemData.handle );
                           }
       
                           delete events[ type ];
                      }
                 }
       
                 // Remove the expando if it's no longer used
                 if ( jQuery.isEmptyObject( events ) ) {
                      delete elemData.handle;
       
                      // removeData also checks for emptiness and clears the expando if empty
                      // so use it instead of delete
                      jQuery._removeData( elem, "events" );
                 }
            },
       
            trigger: function( event, data, elem, onlyHandlers ) {
                 var handle, ontype, cur,
                      bubbleType, special, tmp, i,
                      eventPath = [ elem || document ],
                      type = core_hasOwn.call( event, "type" ) ? event.type : event,
                      namespaces = core_hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
       
                 cur = tmp = elem = elem || document;
       
                 // Don't do events on text and comment nodes
                 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
                      return;
                 }
       
                 // focus/blur morphs to focusin/out; ensure we're not firing them right now
                 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
                      return;
                 }
       
                 if ( type.indexOf(".") >= 0 ) {
                      // Namespaced trigger; create a regexp to match event type in handle()
                      namespaces = type.split(".");
                      type = namespaces.shift();
                      namespaces.sort();
                 }
                 ontype = type.indexOf(":") < 0 && "on" + type;
       
                 // Caller can pass in a jQuery.Event object, Object, or just an event type string
                 event = event[ jQuery.expando ] ?
                      event :
                      new jQuery.Event( type, typeof event === "object" && event );
       
                 event.isTrigger = true;
                 event.namespace = namespaces.join(".");
                 event.namespace_re = event.namespace ?
                      new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :
                      null;
       
                 // Clean up the event in case it is being reused
                 event.result = undefined;
                 if ( !event.target ) {
                      event.target = elem;
                 }
       
                 // Clone any incoming data and prepend the event, creating the handler arg list
                 data = data == null ?
                      [ event ] :
                      jQuery.makeArray( data, [ event ] );
       
                 // Allow special events to draw outside the lines
                 special = jQuery.event.special[ type ] || {};
                 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
                      return;
                 }
       
                 // Determine event propagation path in advance, per W3C events spec (#9951)
                 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
                 if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
       
                      bubbleType = special.delegateType || type;
                      if ( !rfocusMorph.test( bubbleType + type ) ) {
                           cur = cur.parentNode;
                      }
                      for ( ; cur; cur = cur.parentNode ) {
                           eventPath.push( cur );
                           tmp = cur;
                      }
       
                      // Only add window if we got to document (e.g., not plain obj or detached DOM)
                      if ( tmp === (elem.ownerDocument || document) ) {
                           eventPath.push( tmp.defaultView || tmp.parentWindow || window );
                      }
                 }
       
                 // Fire handlers on the event path
                 i = 0;
                 while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {
       
                      event.type = i > 1 ?
                           bubbleType :
                           special.bindType || type;
       
                      // jQuery handler
                      handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
                      if ( handle ) {
                           handle.apply( cur, data );
                      }
       
                      // Native handler
                      handle = ontype && cur[ ontype ];
                      if ( handle && jQuery.acceptData( cur ) && handle.apply && handle.apply( cur, data ) === false ) {
                           event.preventDefault();
                      }
                 }
                 event.type = type;
       
                 // If nobody prevented the default action, do it now
                 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
       
                      if ( (!special._default || special._default.apply( elem.ownerDocument, data ) === false) &&
                           !(type === "click" && jQuery.nodeName( elem, "a" )) && jQuery.acceptData( elem ) ) {
       
                           // Call a native DOM method on the target with the same name name as the event.
                           // Can't use an .isFunction() check here because IE6/7 fails that test.
                           // Don't do default actions on window, that's where global variables be (#6170)
                           if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {
       
                                // Don't re-trigger an onFOO event when we call its FOO() method
                                tmp = elem[ ontype ];
       
                                if ( tmp ) {
                                     elem[ ontype ] = null;
                                }
       
                                // Prevent re-triggering of the same event, since we already bubbled it above
                                jQuery.event.triggered = type;
                                try {
                                     elem[ type ]();
                                } catch ( e ) {
                                     // IE<9 dies on focus/blur to hidden element (#1486,#12518)
                                     // only reproducible on winXP IE8 native, not IE9 in IE8 mode
                                }
                                jQuery.event.triggered = undefined;
       
                                if ( tmp ) {
                                     elem[ ontype ] = tmp;
                                }
                           }
                      }
                 }
       
                 return event.result;
            },
       
            dispatch: function( event ) {
       
                 // Make a writable jQuery.Event from the native event object
                 event = jQuery.event.fix( event );
       
                 var i, ret, handleObj, matched, j,
                      handlerQueue = [],
                      args = core_slice.call( arguments ),
                      handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [],
                      special = jQuery.event.special[ event.type ] || {};
       
                 // Use the fix-ed jQuery.Event rather than the (read-only) native event
                 args[0] = event;
                 event.delegateTarget = this;
       
                 // Call the preDispatch hook for the mapped type, and let it bail if desired
                 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
                      return;
                 }
       
                 // Determine handlers
                 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
       
                 // Run delegates first; they may want to stop propagation beneath us
                 i = 0;
                 while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) {
                      event.currentTarget = matched.elem;
       
                      j = 0;
                      while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {
       
                           // Triggered event must either 1) have no namespace, or
                           // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
                           if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {
       
                                event.handleObj = handleObj;
                                event.data = handleObj.data;
       
                                ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
                                          .apply( matched.elem, args );
       
                                if ( ret !== undefined ) {
                                     if ( (event.result = ret) === false ) {
                                          event.preventDefault();
                                          event.stopPropagation();
                                     }
                                }
                           }
                      }
                 }
       
                 // Call the postDispatch hook for the mapped type
                 if ( special.postDispatch ) {
                      special.postDispatch.call( this, event );
                 }
       
                 return event.result;
            },
       
            handlers: function( event, handlers ) {
                 var sel, handleObj, matches, i,
                      handlerQueue = [],
                      delegateCount = handlers.delegateCount,
                      cur = event.target;
       
                 // Find delegate handlers
                 // Black-hole SVG <use> instance trees (#13180)
                 // Avoid non-left-click bubbling in Firefox (#3861)
                 if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {
       
                      for ( ; cur != this; cur = cur.parentNode || this ) {
       
                           // Don't check non-elements (#13208)
                           // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
                           if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) {
                                matches = [];
                                for ( i = 0; i < delegateCount; i++ ) {
                                     handleObj = handlers[ i ];
       
                                     // Don't conflict with Object.prototype properties (#13203)
                                     sel = handleObj.selector + " ";
       
                                     if ( matches[ sel ] === undefined ) {
                                          matches[ sel ] = handleObj.needsContext ?
                                               jQuery( sel, this ).index( cur ) >= 0 :
                                               jQuery.find( sel, this, null, [ cur ] ).length;
                                     }
                                     if ( matches[ sel ] ) {
                                          matches.push( handleObj );
                                     }
                                }
                                if ( matches.length ) {
                                     handlerQueue.push({ elem: cur, handlers: matches });
                                }
                           }
                      }
                 }
       
                 // Add the remaining (directly-bound) handlers
                 if ( delegateCount < handlers.length ) {
                      handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
                 }
       
                 return handlerQueue;
            },
       
            fix: function( event ) {
                 if ( event[ jQuery.expando ] ) {
                      return event;
                 }
       
                 // Create a writable copy of the event object and normalize some properties
                 var i, prop, copy,
                      type = event.type,
                      originalEvent = event,
                      fixHook = this.fixHooks[ type ];
       
                 if ( !fixHook ) {
                      this.fixHooks[ type ] = fixHook =
                           rmouseEvent.test( type ) ? this.mouseHooks :
                           rkeyEvent.test( type ) ? this.keyHooks :
                           {};
                 }
                 copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
       
                 event = new jQuery.Event( originalEvent );
       
                 i = copy.length;
                 while ( i-- ) {
                      prop = copy[ i ];
                      event[ prop ] = originalEvent[ prop ];
                 }
       
                 // Support: IE<9
                 // Fix target property (#1925)
                 if ( !event.target ) {
                      event.target = originalEvent.srcElement || document;
                 }
       
                 // Support: Chrome 23+, Safari?
                 // Target should not be a text node (#504, #13143)
                 if ( event.target.nodeType === 3 ) {
                      event.target = event.target.parentNode;
                 }
       
                 // Support: IE<9
                 // For mouse/key events, metaKey==false if it's undefined (#3368, #11328)
                 event.metaKey = !!event.metaKey;
       
                 return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
            },
       
            // Includes some event props shared by KeyEvent and MouseEvent
            props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
       
            fixHooks: {},
       
            keyHooks: {
                 props: "char charCode key keyCode".split(" "),
                 filter: function( event, original ) {
       
                      // Add which for key events
                      if ( event.which == null ) {
                           event.which = original.charCode != null ? original.charCode : original.keyCode;
                      }
       
                      return event;
                 }
            },
       
            mouseHooks: {
                 props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
                 filter: function( event, original ) {
                      var body, eventDoc, doc,
                           button = original.button,
                           fromElement = original.fromElement;
       
                      // Calculate pageX/Y if missing and clientX/Y available
                      if ( event.pageX == null && original.clientX != null ) {
                           eventDoc = event.target.ownerDocument || document;
                           doc = eventDoc.documentElement;
                           body = eventDoc.body;
       
                           event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
                           event.pageY = original.clientY + ( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) - ( doc && doc.clientTop  || body && body.clientTop  || 0 );
                      }
       
                      // Add relatedTarget, if necessary
                      if ( !event.relatedTarget && fromElement ) {
                           event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
                      }
       
                      // Add which for click: 1 === left; 2 === middle; 3 === right
                      // Note: button is not normalized, so don't use it
                      if ( !event.which && button !== undefined ) {
                           event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
                      }
       
                      return event;
                 }
            },
       
            special: {
                 load: {
                      // Prevent triggered image.load events from bubbling to window.load
                      noBubble: true
                 },
                 click: {
                      // For checkbox, fire native event so checked state will be right
                      trigger: function() {
                           if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) {
                                this.click();
                                return false;
                           }
                      }
                 },
                 focus: {
                      // Fire native event if possible so blur/focus sequence is correct
                      trigger: function() {
                           if ( this !== document.activeElement && this.focus ) {
                                try {
                                     this.focus();
                                     return false;
                                } catch ( e ) {
                                     // Support: IE<9
                                     // If we error on focus to hidden element (#1486, #12518),
                                     // let .trigger() run the handlers
                                }
                           }
                      },
                      delegateType: "focusin"
                 },
                 blur: {
                      trigger: function() {
                           if ( this === document.activeElement && this.blur ) {
                                this.blur();
                                return false;
                           }
                      },
                      delegateType: "focusout"
                 },
       
                 beforeunload: {
                      postDispatch: function( event ) {
       
                           // Even when returnValue equals to undefined Firefox will still show alert
                           if ( event.result !== undefined ) {
                                event.originalEvent.returnValue = event.result;
                           }
                      }
                 }
            },
       
            simulate: function( type, elem, event, bubble ) {
                 // Piggyback on a donor event to simulate a different one.
                 // Fake originalEvent to avoid donor's stopPropagation, but if the
                 // simulated event prevents default then we do the same on the donor.
                 var e = jQuery.extend(
                      new jQuery.Event(),
                      event,
                      { type: type,
                           isSimulated: true,
                           originalEvent: {}
                      }
                 );
                 if ( bubble ) {
                      jQuery.event.trigger( e, null, elem );
                 } else {
                      jQuery.event.dispatch.call( elem, e );
                 }
                 if ( e.isDefaultPrevented() ) {
                      event.preventDefault();
                 }
            }
       };
       
       jQuery.removeEvent = document.removeEventListener ?
            function( elem, type, handle ) {
                 if ( elem.removeEventListener ) {
                      elem.removeEventListener( type, handle, false );
                 }
            } :
            function( elem, type, handle ) {
                 var name = "on" + type;
       
                 if ( elem.detachEvent ) {
       
                      // #8545, #7054, preventing memory leaks for custom events in IE6-8
                      // detachEvent needed property on element, by name of that event, to properly expose it to GC
                      if ( typeof elem[ name ] === core_strundefined ) {
                           elem[ name ] = null;
                      }
       
                      elem.detachEvent( name, handle );
                 }
            };
       
       jQuery.Event = function( src, props ) {
            // Allow instantiation without the 'new' keyword
            if ( !(this instanceof jQuery.Event) ) {
                 return new jQuery.Event( src, props );
            }
       
            // Event object
            if ( src && src.type ) {
                 this.originalEvent = src;
                 this.type = src.type;
       
                 // Events bubbling up the document may have been marked as prevented
                 // by a handler lower down the tree; reflect the correct value.
                 this.isDefaultPrevented = ( src.defaultPrevented || src.returnValue === false ||
                      src.getPreventDefault && src.getPreventDefault() ) ? returnTrue : returnFalse;
       
            // Event type
            } else {
                 this.type = src;
            }
       
            // Put explicitly provided properties onto the event object
            if ( props ) {
                 jQuery.extend( this, props );
            }
       
            // Create a timestamp if incoming event doesn't have one
            this.timeStamp = src && src.timeStamp || jQuery.now();
       
            // Mark it as fixed
            this[ jQuery.expando ] = true;
       };
       
       // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
       // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
       jQuery.Event.prototype = {
            isDefaultPrevented: returnFalse,
            isPropagationStopped: returnFalse,
            isImmediatePropagationStopped: returnFalse,
       
            preventDefault: function() {
                 var e = this.originalEvent;
       
                 this.isDefaultPrevented = returnTrue;
                 if ( !e ) {
                      return;
                 }
       
                 // If preventDefault exists, run it on the original event
                 if ( e.preventDefault ) {
                      e.preventDefault();
       
                 // Support: IE
                 // Otherwise set the returnValue property of the original event to false
                 } else {
                      e.returnValue = false;
                 }
            },
            stopPropagation: function() {
                 var e = this.originalEvent;
       
                 this.isPropagationStopped = returnTrue;
                 if ( !e ) {
                      return;
                 }
                 // If stopPropagation exists, run it on the original event
                 if ( e.stopPropagation ) {
                      e.stopPropagation();
                 }
       
                 // Support: IE
                 // Set the cancelBubble property of the original event to true
                 e.cancelBubble = true;
            },
            stopImmediatePropagation: function() {
                 this.isImmediatePropagationStopped = returnTrue;
                 this.stopPropagation();
            }
       };
       
       // Create mouseenter/leave events using mouseover/out and event-time checks
       jQuery.each({
            mouseenter: "mouseover",
            mouseleave: "mouseout"
       }, function( orig, fix ) {
            jQuery.event.special[ orig ] = {
                 delegateType: fix,
                 bindType: fix,
       
                 handle: function( event ) {
                      var ret,
                           target = this,
                           related = event.relatedTarget,
                           handleObj = event.handleObj;
       
                      // For mousenter/leave call the handler if related is outside the target.
                      // NB: No relatedTarget if the mouse left/entered the browser window
                      if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
                           event.type = handleObj.origType;
                           ret = handleObj.handler.apply( this, arguments );
                           event.type = fix;
                      }
                      return ret;
                 }
            };
       });
       
       // IE submit delegation
       if ( !jQuery.support.submitBubbles ) {
       
            jQuery.event.special.submit = {
                 setup: function() {
                      // Only need this for delegated form submit events
                      if ( jQuery.nodeName( this, "form" ) ) {
                           return false;
                      }
       
                      // Lazy-add a submit handler when a descendant form may potentially be submitted
                      jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
                           // Node name check avoids a VML-related crash in IE (#9807)
                           var elem = e.target,
                                form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
                           if ( form && !jQuery._data( form, "submitBubbles" ) ) {
                                jQuery.event.add( form, "submit._submit", function( event ) {
                                     event._submit_bubble = true;
                                });
                                jQuery._data( form, "submitBubbles", true );
                           }
                      });
                      // return undefined since we don't need an event listener
                 },
       
                 postDispatch: function( event ) {
                      // If form was submitted by the user, bubble the event up the tree
                      if ( event._submit_bubble ) {
                           delete event._submit_bubble;
                           if ( this.parentNode && !event.isTrigger ) {
                                jQuery.event.simulate( "submit", this.parentNode, event, true );
                           }
                      }
                 },
       
                 teardown: function() {
                      // Only need this for delegated form submit events
                      if ( jQuery.nodeName( this, "form" ) ) {
                           return false;
                      }
       
                      // Remove delegated handlers; cleanData eventually reaps submit handlers attached above
                      jQuery.event.remove( this, "._submit" );
                 }
            };
       }
       
       // IE change delegation and checkbox/radio fix
       if ( !jQuery.support.changeBubbles ) {
       
            jQuery.event.special.change = {
       
                 setup: function() {
       
                      if ( rformElems.test( this.nodeName ) ) {
                           // IE doesn't fire change on a check/radio until blur; trigger it on click
                           // after a propertychange. Eat the blur-change in special.change.handle.
                           // This still fires onchange a second time for check/radio after blur.
                           if ( this.type === "checkbox" || this.type === "radio" ) {
                                jQuery.event.add( this, "propertychange._change", function( event ) {
                                     if ( event.originalEvent.propertyName === "checked" ) {
                                          this._just_changed = true;
                                     }
                                });
                                jQuery.event.add( this, "click._change", function( event ) {
                                     if ( this._just_changed && !event.isTrigger ) {
                                          this._just_changed = false;
                                     }
                                     // Allow triggered, simulated change events (#11500)
                                     jQuery.event.simulate( "change", this, event, true );
                                });
                           }
                           return false;
                      }
                      // Delegated event; lazy-add a change handler on descendant inputs
                      jQuery.event.add( this, "beforeactivate._change", function( e ) {
                           var elem = e.target;
       
                           if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "changeBubbles" ) ) {
                                jQuery.event.add( elem, "change._change", function( event ) {
                                     if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
                                          jQuery.event.simulate( "change", this.parentNode, event, true );
                                     }
                                });
                                jQuery._data( elem, "changeBubbles", true );
                           }
                      });
                 },
       
                 handle: function( event ) {
                      var elem = event.target;
       
                      // Swallow native change events from checkbox/radio, we already triggered them above
                      if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {
                           return event.handleObj.handler.apply( this, arguments );
                      }
                 },
       
                 teardown: function() {
                      jQuery.event.remove( this, "._change" );
       
                      return !rformElems.test( this.nodeName );
                 }
            };
       }
       
       // Create "bubbling" focus and blur events
       if ( !jQuery.support.focusinBubbles ) {
            jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
       
                 // Attach a single capturing handler while someone wants focusin/focusout
                 var attaches = 0,
                      handler = function( event ) {
                           jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
                      };
       
                 jQuery.event.special[ fix ] = {
                      setup: function() {
                           if ( attaches++ === 0 ) {
                                document.addEventListener( orig, handler, true );
                           }
                      },
                      teardown: function() {
                           if ( --attaches === 0 ) {
                                document.removeEventListener( orig, handler, true );
                           }
                      }
                 };
            });
       }
       
       jQuery.fn.extend({
       
            on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
                 var type, origFn;
       
                 // Types can be a map of types/handlers
                 if ( typeof types === "object" ) {
                      // ( types-Object, selector, data )
                      if ( typeof selector !== "string" ) {
                           // ( types-Object, data )
                           data = data || selector;
                           selector = undefined;
                      }
                      for ( type in types ) {
                           this.on( type, selector, data, types[ type ], one );
                      }
                      return this;
                 }
       
                 if ( data == null && fn == null ) {
                      // ( types, fn )
                      fn = selector;
                      data = selector = undefined;
                 } else if ( fn == null ) {
                      if ( typeof selector === "string" ) {
                           // ( types, selector, fn )
                           fn = data;
                           data = undefined;
                      } else {
                           // ( types, data, fn )
                           fn = data;
                           data = selector;
                           selector = undefined;
                      }
                 }
                 if ( fn === false ) {
                      fn = returnFalse;
                 } else if ( !fn ) {
                      return this;
                 }
       
                 if ( one === 1 ) {
                      origFn = fn;
                      fn = function( event ) {
                           // Can use an empty set, since event contains the info
                           jQuery().off( event );
                           return origFn.apply( this, arguments );
                      };
                      // Use same guid so caller can remove using origFn
                      fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
                 }
                 return this.each( function() {
                      jQuery.event.add( this, types, fn, data, selector );
                 });
            },
            one: function( types, selector, data, fn ) {
                 return this.on( types, selector, data, fn, 1 );
            },
            off: function( types, selector, fn ) {
                 var handleObj, type;
                 if ( types && types.preventDefault && types.handleObj ) {
                      // ( event )  dispatched jQuery.Event
                      handleObj = types.handleObj;
                      jQuery( types.delegateTarget ).off(
                           handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
                           handleObj.selector,
                           handleObj.handler
                      );
                      return this;
                 }
                 if ( typeof types === "object" ) {
                      // ( types-object [, selector] )
                      for ( type in types ) {
                           this.off( type, selector, types[ type ] );
                      }
                      return this;
                 }
                 if ( selector === false || typeof selector === "function" ) {
                      // ( types [, fn] )
                      fn = selector;
                      selector = undefined;
                 }
                 if ( fn === false ) {
                      fn = returnFalse;
                 }
                 return this.each(function() {
                      jQuery.event.remove( this, types, fn, selector );
                 });
            },
       
            bind: function( types, data, fn ) {
                 return this.on( types, null, data, fn );
            },
            unbind: function( types, fn ) {
                 return this.off( types, null, fn );
            },
       
            delegate: function( selector, types, data, fn ) {
                 return this.on( types, selector, data, fn );
            },
            undelegate: function( selector, types, fn ) {
                 // ( namespace ) or ( selector, types [, fn] )
                 return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
            },
       
            trigger: function( type, data ) {
                 return this.each(function() {
                      jQuery.event.trigger( type, data, this );
                 });
            },
            triggerHandler: function( type, data ) {
                 var elem = this[0];
                 if ( elem ) {
                      return jQuery.event.trigger( type, data, elem, true );
                 }
            }
       });
       /*!
        * Sizzle CSS Selector Engine
        * Copyright 2012 jQuery Foundation and other contributors
        * Released under the MIT license
        * http://sizzlejs.com/
        */
       (function( window, undefined ) {
       
       var i,
            cachedruns,
            Expr,
            getText,
            isXML,
            compile,
            hasDuplicate,
            outermostContext,
       
            // Local document vars
            setDocument,
            document,
            docElem,
            documentIsXML,
            rbuggyQSA,
            rbuggyMatches,
            matches,
            contains,
            sortOrder,
       
            // Instance-specific data
            expando = "sizzle" + -(new Date()),
            preferredDoc = window.document,
            support = {},
            dirruns = 0,
            done = 0,
            classCache = createCache(),
            tokenCache = createCache(),
            compilerCache = createCache(),
       
            // General-purpose constants
            strundefined = typeof undefined,
            MAX_NEGATIVE = 1 << 31,
       
            // Array methods
            arr = [],
            pop = arr.pop,
            push = arr.push,
            slice = arr.slice,
            // Use a stripped-down indexOf if we can't use a native one
            indexOf = arr.indexOf || function( elem ) {
                 var i = 0,
                      len = this.length;
                 for ( ; i < len; i++ ) {
                      if ( this[i] === elem ) {
                           return i;
                      }
                 }
                 return -1;
            },
       
       
            // Regular expressions
       
            // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
            whitespace = "[\\x20\\t\\r\\n\\f]",
            // http://www.w3.org/TR/css3-syntax/#characters
            characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
       
            // Loosely modeled on CSS identifier characters
            // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
            // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
            identifier = characterEncoding.replace( "w", "w#" ),
       
            // Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors
            operators = "([*^$|!~]?=)",
            attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace +
                 "*(?:" + operators + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",
       
            // Prefer arguments quoted,
            //   then not containing pseudos/brackets,
            //   then attribute selectors/non-parenthetical expressions,
            //   then anything else
            // These preferences are here to reduce the number of selectors
            //   needing tokenize in the PSEUDO preFilter
            pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)",
       
            // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
            rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
       
            rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
            rcombinators = new RegExp( "^" + whitespace + "*([\\x20\\t\\r\\n\\f>+~])" + whitespace + "*" ),
            rpseudo = new RegExp( pseudos ),
            ridentifier = new RegExp( "^" + identifier + "$" ),
       
            matchExpr = {
                 "ID": new RegExp( "^#(" + characterEncoding + ")" ),
                 "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
                 "NAME": new RegExp( "^\\[name=['\"]?(" + characterEncoding + ")['\"]?\\]" ),
                 "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
                 "ATTR": new RegExp( "^" + attributes ),
                 "PSEUDO": new RegExp( "^" + pseudos ),
                 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
                      "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
                      "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
                 // For use in libraries implementing .is()
                 // We use this for POS matching in `select`
                 "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
                      whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
            },
       
            rsibling = /[\x20\t\r\n\f]*[+~]/,
       
            rnative = /^[^{]+\{\s*\[native code/,
       
            // Easily-parseable/retrievable ID or TAG or CLASS selectors
            rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
       
            rinputs = /^(?:input|select|textarea|button)$/i,
            rheader = /^h\d$/i,
       
            rescape = /'|\\/g,
            rattributeQuotes = /\=[\x20\t\r\n\f]*([^'"\]]*)[\x20\t\r\n\f]*\]/g,
       
            // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
            runescape = /\\([\da-fA-F]{1,6}[\x20\t\r\n\f]?|.)/g,
            funescape = function( _, escaped ) {
                 var high = "0x" + escaped - 0x10000;
                 // NaN means non-codepoint
                 return high !== high ?
                      escaped :
                      // BMP codepoint
                      high < 0 ?
                           String.fromCharCode( high + 0x10000 ) :
                           // Supplemental Plane codepoint (surrogate pair)
                           String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
            };
       
       // Use a stripped-down slice if we can't use a native one
       try {
            slice.call( preferredDoc.documentElement.childNodes, 0 )[0].nodeType;
       } catch ( e ) {
            slice = function( i ) {
                 var elem,
                      results = [];
                 while ( (elem = this[i++]) ) {
                      results.push( elem );
                 }
                 return results;
            };
       }
       
       /**
        * For feature detection
        * @param {Function} fn The function to test for native support
        */
       function isNative( fn ) {
            return rnative.test( fn + "" );
       }
       
       /**
        * Create key-value caches of limited size
        * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
        *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
        *	deleting the oldest entry
        */
       function createCache() {
            var cache,
                 keys = [];
       
            return (cache = function( key, value ) {
                 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
                 if ( keys.push( key += " " ) > Expr.cacheLength ) {
                      // Only keep the most recent entries
                      delete cache[ keys.shift() ];
                 }
                 return (cache[ key ] = value);
            });
       }
       
       /**
        * Mark a function for special use by Sizzle
        * @param {Function} fn The function to mark
        */
       function markFunction( fn ) {
            fn[ expando ] = true;
            return fn;
       }
       
       /**
        * Support testing using an element
        * @param {Function} fn Passed the created div and expects a boolean result
        */
       function assert( fn ) {
            var div = document.createElement("div");
       
            try {
                 return fn( div );
            } catch (e) {
                 return false;
            } finally {
                 // release memory in IE
                 div = null;
            }
       }
       
       function Sizzle( selector, context, results, seed ) {
            var match, elem, m, nodeType,
                 // QSA vars
                 i, groups, old, nid, newContext, newSelector;
       
            if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
                 setDocument( context );
            }
       
            context = context || document;
            results = results || [];
       
            if ( !selector || typeof selector !== "string" ) {
                 return results;
            }
       
            if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) {
                 return [];
            }
       
            if ( !documentIsXML && !seed ) {
       
                 // Shortcuts
                 if ( (match = rquickExpr.exec( selector )) ) {
                      // Speed-up: Sizzle("#ID")
                      if ( (m = match[1]) ) {
                           if ( nodeType === 9 ) {
                                elem = context.getElementById( m );
                                // Check parentNode to catch when Blackberry 4.6 returns
                                // nodes that are no longer in the document #6963
                                if ( elem && elem.parentNode ) {
                                     // Handle the case where IE, Opera, and Webkit return items
                                     // by name instead of ID
                                     if ( elem.id === m ) {
                                          results.push( elem );
                                          return results;
                                     }
                                } else {
                                     return results;
                                }
                           } else {
                                // Context is not a document
                                if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
                                     contains( context, elem ) && elem.id === m ) {
                                     results.push( elem );
                                     return results;
                                }
                           }
       
                      // Speed-up: Sizzle("TAG")
                      } else if ( match[2] ) {
                           push.apply( results, slice.call(context.getElementsByTagName( selector ), 0) );
                           return results;
       
                      // Speed-up: Sizzle(".CLASS")
                      } else if ( (m = match[3]) && support.getByClassName && context.getElementsByClassName ) {
                           push.apply( results, slice.call(context.getElementsByClassName( m ), 0) );
                           return results;
                      }
                 }
       
                 // QSA path
                 if ( support.qsa && !rbuggyQSA.test(selector) ) {
                      old = true;
                      nid = expando;
                      newContext = context;
                      newSelector = nodeType === 9 && selector;
       
                      // qSA works strangely on Element-rooted queries
                      // We can work around this by specifying an extra ID on the root
                      // and working up from there (Thanks to Andrew Dupont for the technique)
                      // IE 8 doesn't work on object elements
                      if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
                           groups = tokenize( selector );
       
                           if ( (old = context.getAttribute("id")) ) {
                                nid = old.replace( rescape, "\\$&" );
                           } else {
                                context.setAttribute( "id", nid );
                           }
                           nid = "[id='" + nid + "'] ";
       
                           i = groups.length;
                           while ( i-- ) {
                                groups[i] = nid + toSelector( groups[i] );
                           }
                           newContext = rsibling.test( selector ) && context.parentNode || context;
                           newSelector = groups.join(",");
                      }
       
                      if ( newSelector ) {
                           try {
                                push.apply( results, slice.call( newContext.querySelectorAll(
                                     newSelector
                                ), 0 ) );
                                return results;
                           } catch(qsaError) {
                           } finally {
                                if ( !old ) {
                                     context.removeAttribute("id");
                                }
                           }
                      }
                 }
            }
       
            // All others
            return select( selector.replace( rtrim, "$1" ), context, results, seed );
       }
       
       /**
        * Detect xml
        * @param {Element|Object} elem An element or a document
        */
       isXML = Sizzle.isXML = function( elem ) {
            // documentElement is verified for cases where it doesn't yet exist
            // (such as loading iframes in IE - #4833)
            var documentElement = elem && (elem.ownerDocument || elem).documentElement;
            return documentElement ? documentElement.nodeName !== "HTML" : false;
       };
       
       /**
        * Sets document-related variables once based on the current document
        * @param {Element|Object} [doc] An element or document object to use to set the document
        * @returns {Object} Returns the current document
        */
       setDocument = Sizzle.setDocument = function( node ) {
            var doc = node ? node.ownerDocument || node : preferredDoc;
       
            // If no document and documentElement is available, return
            if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
                 return document;
            }
       
            // Set our document
            document = doc;
            docElem = doc.documentElement;
       
            // Support tests
            documentIsXML = isXML( doc );
       
            // Check if getElementsByTagName("*") returns only elements
            support.tagNameNoComments = assert(function( div ) {
                 div.appendChild( doc.createComment("") );
                 return !div.getElementsByTagName("*").length;
            });
       
            // Check if attributes should be retrieved by attribute nodes
            support.attributes = assert(function( div ) {
                 div.innerHTML = "<select></select>";
                 var type = typeof div.lastChild.getAttribute("multiple");
                 // IE8 returns a string for some attributes even when not present
                 return type !== "boolean" && type !== "string";
            });
       
            // Check if getElementsByClassName can be trusted
            support.getByClassName = assert(function( div ) {
                 // Opera can't find a second classname (in 9.6)
                 div.innerHTML = "<div class='hidden e'></div><div class='hidden'></div>";
                 if ( !div.getElementsByClassName || !div.getElementsByClassName("e").length ) {
                      return false;
                 }
       
                 // Safari 3.2 caches class attributes and doesn't catch changes
                 div.lastChild.className = "e";
                 return div.getElementsByClassName("e").length === 2;
            });
       
            // Check if getElementById returns elements by name
            // Check if getElementsByName privileges form controls or returns elements by ID
            support.getByName = assert(function( div ) {
                 // Inject content
                 div.id = expando + 0;
                 div.innerHTML = "<a name='" + expando + "'></a><div name='" + expando + "'></div>";
                 docElem.insertBefore( div, docElem.firstChild );
       
                 // Test
                 var pass = doc.getElementsByName &&
                      // buggy browsers will return fewer than the correct 2
                      doc.getElementsByName( expando ).length === 2 +
                      // buggy browsers will return more than the correct 0
                      doc.getElementsByName( expando + 0 ).length;
                 support.getIdNotName = !doc.getElementById( expando );
       
                 // Cleanup
                 docElem.removeChild( div );
       
                 return pass;
            });
       
            // IE6/7 return modified attributes
            Expr.attrHandle = assert(function( div ) {
                 div.innerHTML = "<a href='#'></a>";
                 return div.firstChild && typeof div.firstChild.getAttribute !== strundefined &&
                      div.firstChild.getAttribute("href") === "#";
            }) ?
                 {} :
                 {
                      "href": function( elem ) {
                           return elem.getAttribute( "href", 2 );
                      },
                      "type": function( elem ) {
                           return elem.getAttribute("type");
                      }
                 };
       
            // ID find and filter
            if ( support.getIdNotName ) {
                 Expr.find["ID"] = function( id, context ) {
                      if ( typeof context.getElementById !== strundefined && !documentIsXML ) {
                           var m = context.getElementById( id );
                           // Check parentNode to catch when Blackberry 4.6 returns
                           // nodes that are no longer in the document #6963
                           return m && m.parentNode ? [m] : [];
                      }
                 };
                 Expr.filter["ID"] = function( id ) {
                      var attrId = id.replace( runescape, funescape );
                      return function( elem ) {
                           return elem.getAttribute("id") === attrId;
                      };
                 };
            } else {
                 Expr.find["ID"] = function( id, context ) {
                      if ( typeof context.getElementById !== strundefined && !documentIsXML ) {
                           var m = context.getElementById( id );
       
                           return m ?
                                m.id === id || typeof m.getAttributeNode !== strundefined && m.getAttributeNode("id").value === id ?
                                     [m] :
                                     undefined :
                                [];
                      }
                 };
                 Expr.filter["ID"] =  function( id ) {
                      var attrId = id.replace( runescape, funescape );
                      return function( elem ) {
                           var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
                           return node && node.value === attrId;
                      };
                 };
            }
       
            // Tag
            Expr.find["TAG"] = support.tagNameNoComments ?
                 function( tag, context ) {
                      if ( typeof context.getElementsByTagName !== strundefined ) {
                           return context.getElementsByTagName( tag );
                      }
                 } :
                 function( tag, context ) {
                      var elem,
                           tmp = [],
                           i = 0,
                           results = context.getElementsByTagName( tag );
       
                      // Filter out possible comments
                      if ( tag === "*" ) {
                           while ( (elem = results[i++]) ) {
                                if ( elem.nodeType === 1 ) {
                                     tmp.push( elem );
                                }
                           }
       
                           return tmp;
                      }
                      return results;
                 };
       
            // Name
            Expr.find["NAME"] = support.getByName && function( tag, context ) {
                 if ( typeof context.getElementsByName !== strundefined ) {
                      return context.getElementsByName( name );
                 }
            };
       
            // Class
            Expr.find["CLASS"] = support.getByClassName && function( className, context ) {
                 if ( typeof context.getElementsByClassName !== strundefined && !documentIsXML ) {
                      return context.getElementsByClassName( className );
                 }
            };
       
            // QSA and matchesSelector support
       
            // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
            rbuggyMatches = [];
       
            // qSa(:focus) reports false when true (Chrome 21),
            // no need to also add to buggyMatches since matches checks buggyQSA
            // A support test would require too much code (would include document ready)
            rbuggyQSA = [ ":focus" ];
       
            if ( (support.qsa = isNative(doc.querySelectorAll)) ) {
                 // Build QSA regex
                 // Regex strategy adopted from Diego Perini
                 assert(function( div ) {
                      // Select is set to empty string on purpose
                      // This is to test IE's treatment of not explictly
                      // setting a boolean content attribute,
                      // since its presence should be enough
                      // http://bugs.jquery.com/ticket/12359
                      div.innerHTML = "<select><option selected=''></option></select>";
       
                      // IE8 - Some boolean attributes are not treated correctly
                      if ( !div.querySelectorAll("[selected]").length ) {
                           rbuggyQSA.push( "\\[" + whitespace + "*(?:checked|disabled|ismap|multiple|readonly|selected|value)" );
                      }
       
                      // Webkit/Opera - :checked should return selected option elements
                      // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
                      // IE8 throws error here and will not see later tests
                      if ( !div.querySelectorAll(":checked").length ) {
                           rbuggyQSA.push(":checked");
                      }
                 });
       
                 assert(function( div ) {
       
                      // Opera 10-12/IE8 - ^= $= *= and empty values
                      // Should not select anything
                      div.innerHTML = "<input type='hidden' i=''/>";
                      if ( div.querySelectorAll("[i^='']").length ) {
                           rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:\"\"|'')" );
                      }
       
                      // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
                      // IE8 throws error here and will not see later tests
                      if ( !div.querySelectorAll(":enabled").length ) {
                           rbuggyQSA.push( ":enabled", ":disabled" );
                      }
       
                      // Opera 10-11 does not throw on post-comma invalid pseudos
                      div.querySelectorAll("*,:x");
                      rbuggyQSA.push(",.*:");
                 });
            }
       
            if ( (support.matchesSelector = isNative( (matches = docElem.matchesSelector ||
                 docElem.mozMatchesSelector ||
                 docElem.webkitMatchesSelector ||
                 docElem.oMatchesSelector ||
                 docElem.msMatchesSelector) )) ) {
       
                 assert(function( div ) {
                      // Check to see if it's possible to do matchesSelector
                      // on a disconnected node (IE 9)
                      support.disconnectedMatch = matches.call( div, "div" );
       
                      // This should fail with an exception
                      // Gecko does not error, returns false instead
                      matches.call( div, "[s!='']:x" );
                      rbuggyMatches.push( "!=", pseudos );
                 });
            }
       
            rbuggyQSA = new RegExp( rbuggyQSA.join("|") );
            rbuggyMatches = new RegExp( rbuggyMatches.join("|") );
       
            // Element contains another
            // Purposefully does not implement inclusive descendent
            // As in, an element does not contain itself
            contains = isNative(docElem.contains) || docElem.compareDocumentPosition ?
                 function( a, b ) {
                      var adown = a.nodeType === 9 ? a.documentElement : a,
                           bup = b && b.parentNode;
                      return a === bup || !!( bup && bup.nodeType === 1 && (
                           adown.contains ?
                                adown.contains( bup ) :
                                a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
                      ));
                 } :
                 function( a, b ) {
                      if ( b ) {
                           while ( (b = b.parentNode) ) {
                                if ( b === a ) {
                                     return true;
                                }
                           }
                      }
                      return false;
                 };
       
            // Document order sorting
            sortOrder = docElem.compareDocumentPosition ?
            function( a, b ) {
                 var compare;
       
                 if ( a === b ) {
                      hasDuplicate = true;
                      return 0;
                 }
       
                 if ( (compare = b.compareDocumentPosition && a.compareDocumentPosition && a.compareDocumentPosition( b )) ) {
                      if ( compare & 1 || a.parentNode && a.parentNode.nodeType === 11 ) {
                           if ( a === doc || contains( preferredDoc, a ) ) {
                                return -1;
                           }
                           if ( b === doc || contains( preferredDoc, b ) ) {
                                return 1;
                           }
                           return 0;
                      }
                      return compare & 4 ? -1 : 1;
                 }
       
                 return a.compareDocumentPosition ? -1 : 1;
            } :
            function( a, b ) {
                 var cur,
                      i = 0,
                      aup = a.parentNode,
                      bup = b.parentNode,
                      ap = [ a ],
                      bp = [ b ];
       
                 // Exit early if the nodes are identical
                 if ( a === b ) {
                      hasDuplicate = true;
                      return 0;
       
                 // Parentless nodes are either documents or disconnected
                 } else if ( !aup || !bup ) {
                      return a === doc ? -1 :
                           b === doc ? 1 :
                           aup ? -1 :
                           bup ? 1 :
                           0;
       
                 // If the nodes are siblings, we can do a quick check
                 } else if ( aup === bup ) {
                      return siblingCheck( a, b );
                 }
       
                 // Otherwise we need full lists of their ancestors for comparison
                 cur = a;
                 while ( (cur = cur.parentNode) ) {
                      ap.unshift( cur );
                 }
                 cur = b;
                 while ( (cur = cur.parentNode) ) {
                      bp.unshift( cur );
                 }
       
                 // Walk down the tree looking for a discrepancy
                 while ( ap[i] === bp[i] ) {
                      i++;
                 }
       
                 return i ?
                      // Do a sibling check if the nodes have a common ancestor
                      siblingCheck( ap[i], bp[i] ) :
       
                      // Otherwise nodes in our document sort first
                      ap[i] === preferredDoc ? -1 :
                      bp[i] === preferredDoc ? 1 :
                      0;
            };
       
            // Always assume the presence of duplicates if sort doesn't
            // pass them to our comparison function (as in Google Chrome).
            hasDuplicate = false;
            [0, 0].sort( sortOrder );
            support.detectDuplicates = hasDuplicate;
       
            return document;
       };
       
       Sizzle.matches = function( expr, elements ) {
            return Sizzle( expr, null, null, elements );
       };
       
       Sizzle.matchesSelector = function( elem, expr ) {
            // Set document vars if needed
            if ( ( elem.ownerDocument || elem ) !== document ) {
                 setDocument( elem );
            }
       
            // Make sure that attribute selectors are quoted
            expr = expr.replace( rattributeQuotes, "='$1']" );
       
            // rbuggyQSA always contains :focus, so no need for an existence check
            if ( support.matchesSelector && !documentIsXML && (!rbuggyMatches || !rbuggyMatches.test(expr)) && !rbuggyQSA.test(expr) ) {
                 try {
                      var ret = matches.call( elem, expr );
       
                      // IE 9's matchesSelector returns false on disconnected nodes
                      if ( ret || support.disconnectedMatch ||
                                // As well, disconnected nodes are said to be in a document
                                // fragment in IE 9
                                elem.document && elem.document.nodeType !== 11 ) {
                           return ret;
                      }
                 } catch(e) {}
            }
       
            return Sizzle( expr, document, null, [elem] ).length > 0;
       };
       
       Sizzle.contains = function( context, elem ) {
            // Set document vars if needed
            if ( ( context.ownerDocument || context ) !== document ) {
                 setDocument( context );
            }
            return contains( context, elem );
       };
       
       Sizzle.attr = function( elem, name ) {
            var val;
       
            // Set document vars if needed
            if ( ( elem.ownerDocument || elem ) !== document ) {
                 setDocument( elem );
            }
       
            if ( !documentIsXML ) {
                 name = name.toLowerCase();
            }
            if ( (val = Expr.attrHandle[ name ]) ) {
                 return val( elem );
            }
            if ( documentIsXML || support.attributes ) {
                 return elem.getAttribute( name );
            }
            return ( (val = elem.getAttributeNode( name )) || elem.getAttribute( name ) ) && elem[ name ] === true ?
                 name :
                 val && val.specified ? val.value : null;
       };
       
       Sizzle.error = function( msg ) {
            throw new Error( "Syntax error, unrecognized expression: " + msg );
       };
       
       // Document sorting and removing duplicates
       Sizzle.uniqueSort = function( results ) {
            var elem,
                 duplicates = [],
                 i = 1,
                 j = 0;
       
            // Unless we *know* we can detect duplicates, assume their presence
            hasDuplicate = !support.detectDuplicates;
            results.sort( sortOrder );
       
            if ( hasDuplicate ) {
                 for ( ; (elem = results[i]); i++ ) {
                      if ( elem === results[ i - 1 ] ) {
                           j = duplicates.push( i );
                      }
                 }
                 while ( j-- ) {
                      results.splice( duplicates[ j ], 1 );
                 }
            }
       
            return results;
       };
       
       function siblingCheck( a, b ) {
            var cur = b && a,
                 diff = cur && ( ~b.sourceIndex || MAX_NEGATIVE ) - ( ~a.sourceIndex || MAX_NEGATIVE );
       
            // Use IE sourceIndex if available on both nodes
            if ( diff ) {
                 return diff;
            }
       
            // Check if b follows a
            if ( cur ) {
                 while ( (cur = cur.nextSibling) ) {
                      if ( cur === b ) {
                           return -1;
                      }
                 }
            }
       
            return a ? 1 : -1;
       }
       
       // Returns a function to use in pseudos for input types
       function createInputPseudo( type ) {
            return function( elem ) {
                 var name = elem.nodeName.toLowerCase();
                 return name === "input" && elem.type === type;
            };
       }
       
       // Returns a function to use in pseudos for buttons
       function createButtonPseudo( type ) {
            return function( elem ) {
                 var name = elem.nodeName.toLowerCase();
                 return (name === "input" || name === "button") && elem.type === type;
            };
       }
       
       // Returns a function to use in pseudos for positionals
       function createPositionalPseudo( fn ) {
            return markFunction(function( argument ) {
                 argument = +argument;
                 return markFunction(function( seed, matches ) {
                      var j,
                           matchIndexes = fn( [], seed.length, argument ),
                           i = matchIndexes.length;
       
                      // Match elements found at the specified indexes
                      while ( i-- ) {
                           if ( seed[ (j = matchIndexes[i]) ] ) {
                                seed[j] = !(matches[j] = seed[j]);
                           }
                      }
                 });
            });
       }
       
       /**
        * Utility function for retrieving the text value of an array of DOM nodes
        * @param {Array|Element} elem
        */
       getText = Sizzle.getText = function( elem ) {
            var node,
                 ret = "",
                 i = 0,
                 nodeType = elem.nodeType;
       
            if ( !nodeType ) {
                 // If no nodeType, this is expected to be an array
                 for ( ; (node = elem[i]); i++ ) {
                      // Do not traverse comment nodes
                      ret += getText( node );
                 }
            } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
                 // Use textContent for elements
                 // innerText usage removed for consistency of new lines (see #11153)
                 if ( typeof elem.textContent === "string" ) {
                      return elem.textContent;
                 } else {
                      // Traverse its children
                      for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
                           ret += getText( elem );
                      }
                 }
            } else if ( nodeType === 3 || nodeType === 4 ) {
                 return elem.nodeValue;
            }
            // Do not include comment or processing instruction nodes
       
            return ret;
       };
       
       Expr = Sizzle.selectors = {
       
            // Can be adjusted by the user
            cacheLength: 50,
       
            createPseudo: markFunction,
       
            match: matchExpr,
       
            find: {},
       
            relative: {
                 ">": { dir: "parentNode", first: true },
                 " ": { dir: "parentNode" },
                 "+": { dir: "previousSibling", first: true },
                 "~": { dir: "previousSibling" }
            },
       
            preFilter: {
                 "ATTR": function( match ) {
                      match[1] = match[1].replace( runescape, funescape );
       
                      // Move the given value to match[3] whether quoted or unquoted
                      match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape );
       
                      if ( match[2] === "~=" ) {
                           match[3] = " " + match[3] + " ";
                      }
       
                      return match.slice( 0, 4 );
                 },
       
                 "CHILD": function( match ) {
                      /* matches from matchExpr["CHILD"]
                           1 type (only|nth|...)
                           2 what (child|of-type)
                           3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
                           4 xn-component of xn+y argument ([+-]?\d*n|)
                           5 sign of xn-component
                           6 x of xn-component
                           7 sign of y-component
                           8 y of y-component
                      */
                      match[1] = match[1].toLowerCase();
       
                      if ( match[1].slice( 0, 3 ) === "nth" ) {
                           // nth-* requires argument
                           if ( !match[3] ) {
                                Sizzle.error( match[0] );
                           }
       
                           // numeric x and y parameters for Expr.filter.CHILD
                           // remember that false/true cast respectively to 0/1
                           match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
                           match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
       
                      // other types prohibit arguments
                      } else if ( match[3] ) {
                           Sizzle.error( match[0] );
                      }
       
                      return match;
                 },
       
                 "PSEUDO": function( match ) {
                      var excess,
                           unquoted = !match[5] && match[2];
       
                      if ( matchExpr["CHILD"].test( match[0] ) ) {
                           return null;
                      }
       
                      // Accept quoted arguments as-is
                      if ( match[4] ) {
                           match[2] = match[4];
       
                      // Strip excess characters from unquoted arguments
                      } else if ( unquoted && rpseudo.test( unquoted ) &&
                           // Get excess from tokenize (recursively)
                           (excess = tokenize( unquoted, true )) &&
                           // advance to the next closing parenthesis
                           (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
       
                           // excess is a negative index
                           match[0] = match[0].slice( 0, excess );
                           match[2] = unquoted.slice( 0, excess );
                      }
       
                      // Return only captures needed by the pseudo filter method (type and argument)
                      return match.slice( 0, 3 );
                 }
            },
       
            filter: {
       
                 "TAG": function( nodeName ) {
                      if ( nodeName === "*" ) {
                           return function() { return true; };
                      }
       
                      nodeName = nodeName.replace( runescape, funescape ).toLowerCase();
                      return function( elem ) {
                           return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
                      };
                 },
       
                 "CLASS": function( className ) {
                      var pattern = classCache[ className + " " ];
       
                      return pattern ||
                           (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
                           classCache( className, function( elem ) {
                                return pattern.test( elem.className || (typeof elem.getAttribute !== strundefined && elem.getAttribute("class")) || "" );
                           });
                 },
       
                 "ATTR": function( name, operator, check ) {
                      return function( elem ) {
                           var result = Sizzle.attr( elem, name );
       
                           if ( result == null ) {
                                return operator === "!=";
                           }
                           if ( !operator ) {
                                return true;
                           }
       
                           result += "";
       
                           return operator === "=" ? result === check :
                                operator === "!=" ? result !== check :
                                operator === "^=" ? check && result.indexOf( check ) === 0 :
                                operator === "*=" ? check && result.indexOf( check ) > -1 :
                                operator === "$=" ? check && result.slice( -check.length ) === check :
                                operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 :
                                operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
                                false;
                      };
                 },
       
                 "CHILD": function( type, what, argument, first, last ) {
                      var simple = type.slice( 0, 3 ) !== "nth",
                           forward = type.slice( -4 ) !== "last",
                           ofType = what === "of-type";
       
                      return first === 1 && last === 0 ?
       
                           // Shortcut for :nth-*(n)
                           function( elem ) {
                                return !!elem.parentNode;
                           } :
       
                           function( elem, context, xml ) {
                                var cache, outerCache, node, diff, nodeIndex, start,
                                     dir = simple !== forward ? "nextSibling" : "previousSibling",
                                     parent = elem.parentNode,
                                     name = ofType && elem.nodeName.toLowerCase(),
                                     useCache = !xml && !ofType;
       
                                if ( parent ) {
       
                                     // :(first|last|only)-(child|of-type)
                                     if ( simple ) {
                                          while ( dir ) {
                                               node = elem;
                                               while ( (node = node[ dir ]) ) {
                                                    if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
                                                         return false;
                                                    }
                                               }
                                               // Reverse direction for :only-* (if we haven't yet done so)
                                               start = dir = type === "only" && !start && "nextSibling";
                                          }
                                          return true;
                                     }
       
                                     start = [ forward ? parent.firstChild : parent.lastChild ];
       
                                     // non-xml :nth-child(...) stores cache data on `parent`
                                     if ( forward && useCache ) {
                                          // Seek `elem` from a previously-cached index
                                          outerCache = parent[ expando ] || (parent[ expando ] = {});
                                          cache = outerCache[ type ] || [];
                                          nodeIndex = cache[0] === dirruns && cache[1];
                                          diff = cache[0] === dirruns && cache[2];
                                          node = nodeIndex && parent.childNodes[ nodeIndex ];
       
                                          while ( (node = ++nodeIndex && node && node[ dir ] ||
       
                                               // Fallback to seeking `elem` from the start
                                               (diff = nodeIndex = 0) || start.pop()) ) {
       
                                               // When found, cache indexes on `parent` and break
                                               if ( node.nodeType === 1 && ++diff && node === elem ) {
                                                    outerCache[ type ] = [ dirruns, nodeIndex, diff ];
                                                    break;
                                               }
                                          }
       
                                     // Use previously-cached element index if available
                                     } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {
                                          diff = cache[1];
       
                                     // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
                                     } else {
                                          // Use the same loop as above to seek `elem` from the start
                                          while ( (node = ++nodeIndex && node && node[ dir ] ||
                                               (diff = nodeIndex = 0) || start.pop()) ) {
       
                                               if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
                                                    // Cache the index of each encountered element
                                                    if ( useCache ) {
                                                         (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
                                                    }
       
                                                    if ( node === elem ) {
                                                         break;
                                                    }
                                               }
                                          }
                                     }
       
                                     // Incorporate the offset, then check against cycle size
                                     diff -= last;
                                     return diff === first || ( diff % first === 0 && diff / first >= 0 );
                                }
                           };
                 },
       
                 "PSEUDO": function( pseudo, argument ) {
                      // pseudo-class names are case-insensitive
                      // http://www.w3.org/TR/selectors/#pseudo-classes
                      // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
                      // Remember that setFilters inherits from pseudos
                      var args,
                           fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
                                Sizzle.error( "unsupported pseudo: " + pseudo );
       
                      // The user may use createPseudo to indicate that
                      // arguments are needed to create the filter function
                      // just as Sizzle does
                      if ( fn[ expando ] ) {
                           return fn( argument );
                      }
       
                      // But maintain support for old signatures
                      if ( fn.length > 1 ) {
                           args = [ pseudo, pseudo, "", argument ];
                           return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
                                markFunction(function( seed, matches ) {
                                     var idx,
                                          matched = fn( seed, argument ),
                                          i = matched.length;
                                     while ( i-- ) {
                                          idx = indexOf.call( seed, matched[i] );
                                          seed[ idx ] = !( matches[ idx ] = matched[i] );
                                     }
                                }) :
                                function( elem ) {
                                     return fn( elem, 0, args );
                                };
                      }
       
                      return fn;
                 }
            },
       
            pseudos: {
                 // Potentially complex pseudos
                 "not": markFunction(function( selector ) {
                      // Trim the selector passed to compile
                      // to avoid treating leading and trailing
                      // spaces as combinators
                      var input = [],
                           results = [],
                           matcher = compile( selector.replace( rtrim, "$1" ) );
       
                      return matcher[ expando ] ?
                           markFunction(function( seed, matches, context, xml ) {
                                var elem,
                                     unmatched = matcher( seed, null, xml, [] ),
                                     i = seed.length;
       
                                // Match elements unmatched by `matcher`
                                while ( i-- ) {
                                     if ( (elem = unmatched[i]) ) {
                                          seed[i] = !(matches[i] = elem);
                                     }
                                }
                           }) :
                           function( elem, context, xml ) {
                                input[0] = elem;
                                matcher( input, null, xml, results );
                                return !results.pop();
                           };
                 }),
       
                 "has": markFunction(function( selector ) {
                      return function( elem ) {
                           return Sizzle( selector, elem ).length > 0;
                      };
                 }),
       
                 "contains": markFunction(function( text ) {
                      return function( elem ) {
                           return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
                      };
                 }),
       
                 // "Whether an element is represented by a :lang() selector
                 // is based solely on the element's language value
                 // being equal to the identifier C,
                 // or beginning with the identifier C immediately followed by "-".
                 // The matching of C against the element's language value is performed case-insensitively.
                 // The identifier C does not have to be a valid language name."
                 // http://www.w3.org/TR/selectors/#lang-pseudo
                 "lang": markFunction( function( lang ) {
                      // lang value must be a valid identifider
                      if ( !ridentifier.test(lang || "") ) {
                           Sizzle.error( "unsupported lang: " + lang );
                      }
                      lang = lang.replace( runescape, funescape ).toLowerCase();
                      return function( elem ) {
                           var elemLang;
                           do {
                                if ( (elemLang = documentIsXML ?
                                     elem.getAttribute("xml:lang") || elem.getAttribute("lang") :
                                     elem.lang) ) {
       
                                     elemLang = elemLang.toLowerCase();
                                     return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
                                }
                           } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
                           return false;
                      };
                 }),
       
                 // Miscellaneous
                 "target": function( elem ) {
                      var hash = window.location && window.location.hash;
                      return hash && hash.slice( 1 ) === elem.id;
                 },
       
                 "root": function( elem ) {
                      return elem === docElem;
                 },
       
                 "focus": function( elem ) {
                      return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
                 },
       
                 // Boolean properties
                 "enabled": function( elem ) {
                      return elem.disabled === false;
                 },
       
                 "disabled": function( elem ) {
                      return elem.disabled === true;
                 },
       
                 "checked": function( elem ) {
                      // In CSS3, :checked should return both checked and selected elements
                      // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
                      var nodeName = elem.nodeName.toLowerCase();
                      return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
                 },
       
                 "selected": function( elem ) {
                      // Accessing this property makes selected-by-default
                      // options in Safari work properly
                      if ( elem.parentNode ) {
                           elem.parentNode.selectedIndex;
                      }
       
                      return elem.selected === true;
                 },
       
                 // Contents
                 "empty": function( elem ) {
                      // http://www.w3.org/TR/selectors/#empty-pseudo
                      // :empty is only affected by element nodes and content nodes(including text(3), cdata(4)),
                      //   not comment, processing instructions, or others
                      // Thanks to Diego Perini for the nodeName shortcut
                      //   Greater than "@" means alpha characters (specifically not starting with "#" or "?")
                      for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
                           if ( elem.nodeName > "@" || elem.nodeType === 3 || elem.nodeType === 4 ) {
                                return false;
                           }
                      }
                      return true;
                 },
       
                 "parent": function( elem ) {
                      return !Expr.pseudos["empty"]( elem );
                 },
       
                 // Element/input types
                 "header": function( elem ) {
                      return rheader.test( elem.nodeName );
                 },
       
                 "input": function( elem ) {
                      return rinputs.test( elem.nodeName );
                 },
       
                 "button": function( elem ) {
                      var name = elem.nodeName.toLowerCase();
                      return name === "input" && elem.type === "button" || name === "button";
                 },
       
                 "text": function( elem ) {
                      var attr;
                      // IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc)
                      // use getAttribute instead to test this case
                      return elem.nodeName.toLowerCase() === "input" &&
                           elem.type === "text" &&
                           ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === elem.type );
                 },
       
                 // Position-in-collection
                 "first": createPositionalPseudo(function() {
                      return [ 0 ];
                 }),
       
                 "last": createPositionalPseudo(function( matchIndexes, length ) {
                      return [ length - 1 ];
                 }),
       
                 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
                      return [ argument < 0 ? argument + length : argument ];
                 }),
       
                 "even": createPositionalPseudo(function( matchIndexes, length ) {
                      var i = 0;
                      for ( ; i < length; i += 2 ) {
                           matchIndexes.push( i );
                      }
                      return matchIndexes;
                 }),
       
                 "odd": createPositionalPseudo(function( matchIndexes, length ) {
                      var i = 1;
                      for ( ; i < length; i += 2 ) {
                           matchIndexes.push( i );
                      }
                      return matchIndexes;
                 }),
       
                 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
                      var i = argument < 0 ? argument + length : argument;
                      for ( ; --i >= 0; ) {
                           matchIndexes.push( i );
                      }
                      return matchIndexes;
                 }),
       
                 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
                      var i = argument < 0 ? argument + length : argument;
                      for ( ; ++i < length; ) {
                           matchIndexes.push( i );
                      }
                      return matchIndexes;
                 })
            }
       };
       
       // Add button/input type pseudos
       for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
            Expr.pseudos[ i ] = createInputPseudo( i );
       }
       for ( i in { submit: true, reset: true } ) {
            Expr.pseudos[ i ] = createButtonPseudo( i );
       }
       
       function tokenize( selector, parseOnly ) {
            var matched, match, tokens, type,
                 soFar, groups, preFilters,
                 cached = tokenCache[ selector + " " ];
       
            if ( cached ) {
                 return parseOnly ? 0 : cached.slice( 0 );
            }
       
            soFar = selector;
            groups = [];
            preFilters = Expr.preFilter;
       
            while ( soFar ) {
       
                 // Comma and first run
                 if ( !matched || (match = rcomma.exec( soFar )) ) {
                      if ( match ) {
                           // Don't consume trailing commas as valid
                           soFar = soFar.slice( match[0].length ) || soFar;
                      }
                      groups.push( tokens = [] );
                 }
       
                 matched = false;
       
                 // Combinators
                 if ( (match = rcombinators.exec( soFar )) ) {
                      matched = match.shift();
                      tokens.push( {
                           value: matched,
                           // Cast descendant combinators to space
                           type: match[0].replace( rtrim, " " )
                      } );
                      soFar = soFar.slice( matched.length );
                 }
       
                 // Filters
                 for ( type in Expr.filter ) {
                      if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
                           (match = preFilters[ type ]( match ))) ) {
                           matched = match.shift();
                           tokens.push( {
                                value: matched,
                                type: type,
                                matches: match
                           } );
                           soFar = soFar.slice( matched.length );
                      }
                 }
       
                 if ( !matched ) {
                      break;
                 }
            }
       
            // Return the length of the invalid excess
            // if we're just parsing
            // Otherwise, throw an error or return tokens
            return parseOnly ?
                 soFar.length :
                 soFar ?
                      Sizzle.error( selector ) :
                      // Cache the tokens
                      tokenCache( selector, groups ).slice( 0 );
       }
       
       function toSelector( tokens ) {
            var i = 0,
                 len = tokens.length,
                 selector = "";
            for ( ; i < len; i++ ) {
                 selector += tokens[i].value;
            }
            return selector;
       }
       
       function addCombinator( matcher, combinator, base ) {
            var dir = combinator.dir,
                 checkNonElements = base && dir === "parentNode",
                 doneName = done++;
       
            return combinator.first ?
                 // Check against closest ancestor/preceding element
                 function( elem, context, xml ) {
                      while ( (elem = elem[ dir ]) ) {
                           if ( elem.nodeType === 1 || checkNonElements ) {
                                return matcher( elem, context, xml );
                           }
                      }
                 } :
       
                 // Check against all ancestor/preceding elements
                 function( elem, context, xml ) {
                      var data, cache, outerCache,
                           dirkey = dirruns + " " + doneName;
       
                      // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
                      if ( xml ) {
                           while ( (elem = elem[ dir ]) ) {
                                if ( elem.nodeType === 1 || checkNonElements ) {
                                     if ( matcher( elem, context, xml ) ) {
                                          return true;
                                     }
                                }
                           }
                      } else {
                           while ( (elem = elem[ dir ]) ) {
                                if ( elem.nodeType === 1 || checkNonElements ) {
                                     outerCache = elem[ expando ] || (elem[ expando ] = {});
                                     if ( (cache = outerCache[ dir ]) && cache[0] === dirkey ) {
                                          if ( (data = cache[1]) === true || data === cachedruns ) {
                                               return data === true;
                                          }
                                     } else {
                                          cache = outerCache[ dir ] = [ dirkey ];
                                          cache[1] = matcher( elem, context, xml ) || cachedruns;
                                          if ( cache[1] === true ) {
                                               return true;
                                          }
                                     }
                                }
                           }
                      }
                 };
       }
       
       function elementMatcher( matchers ) {
            return matchers.length > 1 ?
                 function( elem, context, xml ) {
                      var i = matchers.length;
                      while ( i-- ) {
                           if ( !matchers[i]( elem, context, xml ) ) {
                                return false;
                           }
                      }
                      return true;
                 } :
                 matchers[0];
       }
       
       function condense( unmatched, map, filter, context, xml ) {
            var elem,
                 newUnmatched = [],
                 i = 0,
                 len = unmatched.length,
                 mapped = map != null;
       
            for ( ; i < len; i++ ) {
                 if ( (elem = unmatched[i]) ) {
                      if ( !filter || filter( elem, context, xml ) ) {
                           newUnmatched.push( elem );
                           if ( mapped ) {
                                map.push( i );
                           }
                      }
                 }
            }
       
            return newUnmatched;
       }
       
       function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
            if ( postFilter && !postFilter[ expando ] ) {
                 postFilter = setMatcher( postFilter );
            }
            if ( postFinder && !postFinder[ expando ] ) {
                 postFinder = setMatcher( postFinder, postSelector );
            }
            return markFunction(function( seed, results, context, xml ) {
                 var temp, i, elem,
                      preMap = [],
                      postMap = [],
                      preexisting = results.length,
       
                      // Get initial elements from seed or context
                      elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
       
                      // Prefilter to get matcher input, preserving a map for seed-results synchronization
                      matcherIn = preFilter && ( seed || !selector ) ?
                           condense( elems, preMap, preFilter, context, xml ) :
                           elems,
       
                      matcherOut = matcher ?
                           // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
                           postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
       
                                // ...intermediate processing is necessary
                                [] :
       
                                // ...otherwise use results directly
                                results :
                           matcherIn;
       
                 // Find primary matches
                 if ( matcher ) {
                      matcher( matcherIn, matcherOut, context, xml );
                 }
       
                 // Apply postFilter
                 if ( postFilter ) {
                      temp = condense( matcherOut, postMap );
                      postFilter( temp, [], context, xml );
       
                      // Un-match failing elements by moving them back to matcherIn
                      i = temp.length;
                      while ( i-- ) {
                           if ( (elem = temp[i]) ) {
                                matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
                           }
                      }
                 }
       
                 if ( seed ) {
                      if ( postFinder || preFilter ) {
                           if ( postFinder ) {
                                // Get the final matcherOut by condensing this intermediate into postFinder contexts
                                temp = [];
                                i = matcherOut.length;
                                while ( i-- ) {
                                     if ( (elem = matcherOut[i]) ) {
                                          // Restore matcherIn since elem is not yet a final match
                                          temp.push( (matcherIn[i] = elem) );
                                     }
                                }
                                postFinder( null, (matcherOut = []), temp, xml );
                           }
       
                           // Move matched elements from seed to results to keep them synchronized
                           i = matcherOut.length;
                           while ( i-- ) {
                                if ( (elem = matcherOut[i]) &&
                                     (temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {
       
                                     seed[temp] = !(results[temp] = elem);
                                }
                           }
                      }
       
                 // Add elements to results, through postFinder if defined
                 } else {
                      matcherOut = condense(
                           matcherOut === results ?
                                matcherOut.splice( preexisting, matcherOut.length ) :
                                matcherOut
                      );
                      if ( postFinder ) {
                           postFinder( null, results, matcherOut, xml );
                      } else {
                           push.apply( results, matcherOut );
                      }
                 }
            });
       }
       
       function matcherFromTokens( tokens ) {
            var checkContext, matcher, j,
                 len = tokens.length,
                 leadingRelative = Expr.relative[ tokens[0].type ],
                 implicitRelative = leadingRelative || Expr.relative[" "],
                 i = leadingRelative ? 1 : 0,
       
                 // The foundational matcher ensures that elements are reachable from top-level context(s)
                 matchContext = addCombinator( function( elem ) {
                      return elem === checkContext;
                 }, implicitRelative, true ),
                 matchAnyContext = addCombinator( function( elem ) {
                      return indexOf.call( checkContext, elem ) > -1;
                 }, implicitRelative, true ),
                 matchers = [ function( elem, context, xml ) {
                      return ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
                           (checkContext = context).nodeType ?
                                matchContext( elem, context, xml ) :
                                matchAnyContext( elem, context, xml ) );
                 } ];
       
            for ( ; i < len; i++ ) {
                 if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
                      matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
                 } else {
                      matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
       
                      // Return special upon seeing a positional matcher
                      if ( matcher[ expando ] ) {
                           // Find the next relative operator (if any) for proper handling
                           j = ++i;
                           for ( ; j < len; j++ ) {
                                if ( Expr.relative[ tokens[j].type ] ) {
                                     break;
                                }
                           }
                           return setMatcher(
                                i > 1 && elementMatcher( matchers ),
                                i > 1 && toSelector( tokens.slice( 0, i - 1 ) ).replace( rtrim, "$1" ),
                                matcher,
                                i < j && matcherFromTokens( tokens.slice( i, j ) ),
                                j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
                                j < len && toSelector( tokens )
                           );
                      }
                      matchers.push( matcher );
                 }
            }
       
            return elementMatcher( matchers );
       }
       
       function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
            // A counter to specify which element is currently being matched
            var matcherCachedRuns = 0,
                 bySet = setMatchers.length > 0,
                 byElement = elementMatchers.length > 0,
                 superMatcher = function( seed, context, xml, results, expandContext ) {
                      var elem, j, matcher,
                           setMatched = [],
                           matchedCount = 0,
                           i = "0",
                           unmatched = seed && [],
                           outermost = expandContext != null,
                           contextBackup = outermostContext,
                           // We must always have either seed elements or context
                           elems = seed || byElement && Expr.find["TAG"]( "*", expandContext && context.parentNode || context ),
                           // Use integer dirruns iff this is the outermost matcher
                           dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1);
       
                      if ( outermost ) {
                           outermostContext = context !== document && context;
                           cachedruns = matcherCachedRuns;
                      }
       
                      // Add elements passing elementMatchers directly to results
                      // Keep `i` a string if there are no elements so `matchedCount` will be "00" below
                      for ( ; (elem = elems[i]) != null; i++ ) {
                           if ( byElement && elem ) {
                                j = 0;
                                while ( (matcher = elementMatchers[j++]) ) {
                                     if ( matcher( elem, context, xml ) ) {
                                          results.push( elem );
                                          break;
                                     }
                                }
                                if ( outermost ) {
                                     dirruns = dirrunsUnique;
                                     cachedruns = ++matcherCachedRuns;
                                }
                           }
       
                           // Track unmatched elements for set filters
                           if ( bySet ) {
                                // They will have gone through all possible matchers
                                if ( (elem = !matcher && elem) ) {
                                     matchedCount--;
                                }
       
                                // Lengthen the array for every element, matched or not
                                if ( seed ) {
                                     unmatched.push( elem );
                                }
                           }
                      }
       
                      // Apply set filters to unmatched elements
                      matchedCount += i;
                      if ( bySet && i !== matchedCount ) {
                           j = 0;
                           while ( (matcher = setMatchers[j++]) ) {
                                matcher( unmatched, setMatched, context, xml );
                           }
       
                           if ( seed ) {
                                // Reintegrate element matches to eliminate the need for sorting
                                if ( matchedCount > 0 ) {
                                     while ( i-- ) {
                                          if ( !(unmatched[i] || setMatched[i]) ) {
                                               setMatched[i] = pop.call( results );
                                          }
                                     }
                                }
       
                                // Discard index placeholder values to get only actual matches
                                setMatched = condense( setMatched );
                           }
       
                           // Add matches to results
                           push.apply( results, setMatched );
       
                           // Seedless set matches succeeding multiple successful matchers stipulate sorting
                           if ( outermost && !seed && setMatched.length > 0 &&
                                ( matchedCount + setMatchers.length ) > 1 ) {
       
                                Sizzle.uniqueSort( results );
                           }
                      }
       
                      // Override manipulation of globals by nested matchers
                      if ( outermost ) {
                           dirruns = dirrunsUnique;
                           outermostContext = contextBackup;
                      }
       
                      return unmatched;
                 };
       
            return bySet ?
                 markFunction( superMatcher ) :
                 superMatcher;
       }
       
       compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) {
            var i,
                 setMatchers = [],
                 elementMatchers = [],
                 cached = compilerCache[ selector + " " ];
       
            if ( !cached ) {
                 // Generate a function of recursive functions that can be used to check each element
                 if ( !group ) {
                      group = tokenize( selector );
                 }
                 i = group.length;
                 while ( i-- ) {
                      cached = matcherFromTokens( group[i] );
                      if ( cached[ expando ] ) {
                           setMatchers.push( cached );
                      } else {
                           elementMatchers.push( cached );
                      }
                 }
       
                 // Cache the compiled function
                 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
            }
            return cached;
       };
       
       function multipleContexts( selector, contexts, results ) {
            var i = 0,
                 len = contexts.length;
            for ( ; i < len; i++ ) {
                 Sizzle( selector, contexts[i], results );
            }
            return results;
       }
       
       function select( selector, context, results, seed ) {
            var i, tokens, token, type, find,
                 match = tokenize( selector );
       
            if ( !seed ) {
                 // Try to minimize operations if there is only one group
                 if ( match.length === 1 ) {
       
                      // Take a shortcut and set the context if the root selector is an ID
                      tokens = match[0] = match[0].slice( 0 );
                      if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
                                context.nodeType === 9 && !documentIsXML &&
                                Expr.relative[ tokens[1].type ] ) {
       
                           context = Expr.find["ID"]( token.matches[0].replace( runescape, funescape ), context )[0];
                           if ( !context ) {
                                return results;
                           }
       
                           selector = selector.slice( tokens.shift().value.length );
                      }
       
                      // Fetch a seed set for right-to-left matching
                      i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
                      while ( i-- ) {
                           token = tokens[i];
       
                           // Abort if we hit a combinator
                           if ( Expr.relative[ (type = token.type) ] ) {
                                break;
                           }
                           if ( (find = Expr.find[ type ]) ) {
                                // Search, expanding context for leading sibling combinators
                                if ( (seed = find(
                                     token.matches[0].replace( runescape, funescape ),
                                     rsibling.test( tokens[0].type ) && context.parentNode || context
                                )) ) {
       
                                     // If seed is empty or no tokens remain, we can return early
                                     tokens.splice( i, 1 );
                                     selector = seed.length && toSelector( tokens );
                                     if ( !selector ) {
                                          push.apply( results, slice.call( seed, 0 ) );
                                          return results;
                                     }
       
                                     break;
                                }
                           }
                      }
                 }
            }
       
            // Compile and execute a filtering function
            // Provide `match` to avoid retokenization if we modified the selector above
            compile( selector, match )(
                 seed,
                 context,
                 documentIsXML,
                 results,
                 rsibling.test( selector )
            );
            return results;
       }
       
       // Deprecated
       Expr.pseudos["nth"] = Expr.pseudos["eq"];
       
       // Easy API for creating new setFilters
       function setFilters() {}
       Expr.filters = setFilters.prototype = Expr.pseudos;
       Expr.setFilters = new setFilters();
       
       // Initialize with the default document
       setDocument();
       
       // Override sizzle attribute retrieval
       Sizzle.attr = jQuery.attr;
       jQuery.find = Sizzle;
       jQuery.expr = Sizzle.selectors;
       jQuery.expr[":"] = jQuery.expr.pseudos;
       jQuery.unique = Sizzle.uniqueSort;
       jQuery.text = Sizzle.getText;
       jQuery.isXMLDoc = Sizzle.isXML;
       jQuery.contains = Sizzle.contains;
       
       
       })( window );
       var runtil = /Until$/,
            rparentsprev = /^(?:parents|prev(?:Until|All))/,
            isSimple = /^.[^:#\[\.,]*$/,
            rneedsContext = jQuery.expr.match.needsContext,
            // methods guaranteed to produce a unique set when starting from a unique set
            guaranteedUnique = {
                 children: true,
                 contents: true,
                 next: true,
                 prev: true
            };
       
       jQuery.fn.extend({
            find: function( selector ) {
                 var i, ret, self,
                      len = this.length;
       
                 if ( typeof selector !== "string" ) {
                      self = this;
                      return this.pushStack( jQuery( selector ).filter(function() {
                           for ( i = 0; i < len; i++ ) {
                                if ( jQuery.contains( self[ i ], this ) ) {
                                     return true;
                                }
                           }
                      }) );
                 }
       
                 ret = [];
                 for ( i = 0; i < len; i++ ) {
                      jQuery.find( selector, this[ i ], ret );
                 }
       
                 // Needed because $( selector, context ) becomes $( context ).find( selector )
                 ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
                 ret.selector = ( this.selector ? this.selector + " " : "" ) + selector;
                 return ret;
            },
       
            has: function( target ) {
                 var i,
                      targets = jQuery( target, this ),
                      len = targets.length;
       
                 return this.filter(function() {
                      for ( i = 0; i < len; i++ ) {
                           if ( jQuery.contains( this, targets[i] ) ) {
                                return true;
                           }
                      }
                 });
            },
       
            not: function( selector ) {
                 return this.pushStack( winnow(this, selector, false) );
            },
       
            filter: function( selector ) {
                 return this.pushStack( winnow(this, selector, true) );
            },
       
            is: function( selector ) {
                 return !!selector && (
                      typeof selector === "string" ?
                           // If this is a positional/relative selector, check membership in the returned set
                           // so $("p:first").is("p:last") won't return true for a doc with two "p".
                           rneedsContext.test( selector ) ?
                                jQuery( selector, this.context ).index( this[0] ) >= 0 :
                                jQuery.filter( selector, this ).length > 0 :
                           this.filter( selector ).length > 0 );
            },
       
            closest: function( selectors, context ) {
                 var cur,
                      i = 0,
                      l = this.length,
                      ret = [],
                      pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
                           jQuery( selectors, context || this.context ) :
                           0;
       
                 for ( ; i < l; i++ ) {
                      cur = this[i];
       
                      while ( cur && cur.ownerDocument && cur !== context && cur.nodeType !== 11 ) {
                           if ( pos ? pos.index(cur) > -1 : jQuery.find.matchesSelector(cur, selectors) ) {
                                ret.push( cur );
                                break;
                           }
                           cur = cur.parentNode;
                      }
                 }
       
                 return this.pushStack( ret.length > 1 ? jQuery.unique( ret ) : ret );
            },
       
            // Determine the position of an element within
            // the matched set of elements
            index: function( elem ) {
       
                 // No argument, return index in parent
                 if ( !elem ) {
                      return ( this[0] && this[0].parentNode ) ? this.first().prevAll().length : -1;
                 }
       
                 // index in selector
                 if ( typeof elem === "string" ) {
                      return jQuery.inArray( this[0], jQuery( elem ) );
                 }
       
                 // Locate the position of the desired element
                 return jQuery.inArray(
                      // If it receives a jQuery object, the first element is used
                      elem.jquery ? elem[0] : elem, this );
            },
       
            add: function( selector, context ) {
                 var set = typeof selector === "string" ?
                           jQuery( selector, context ) :
                           jQuery.makeArray( selector && selector.nodeType ? [ selector ] : selector ),
                      all = jQuery.merge( this.get(), set );
       
                 return this.pushStack( jQuery.unique(all) );
            },
       
            addBack: function( selector ) {
                 return this.add( selector == null ?
                      this.prevObject : this.prevObject.filter(selector)
                 );
            }
       });
       
       jQuery.fn.andSelf = jQuery.fn.addBack;
       
       function sibling( cur, dir ) {
            do {
                 cur = cur[ dir ];
            } while ( cur && cur.nodeType !== 1 );
       
            return cur;
       }
       
       jQuery.each({
            parent: function( elem ) {
                 var parent = elem.parentNode;
                 return parent && parent.nodeType !== 11 ? parent : null;
            },
            parents: function( elem ) {
                 return jQuery.dir( elem, "parentNode" );
            },
            parentsUntil: function( elem, i, until ) {
                 return jQuery.dir( elem, "parentNode", until );
            },
            next: function( elem ) {
                 return sibling( elem, "nextSibling" );
            },
            prev: function( elem ) {
                 return sibling( elem, "previousSibling" );
            },
            nextAll: function( elem ) {
                 return jQuery.dir( elem, "nextSibling" );
            },
            prevAll: function( elem ) {
                 return jQuery.dir( elem, "previousSibling" );
            },
            nextUntil: function( elem, i, until ) {
                 return jQuery.dir( elem, "nextSibling", until );
            },
            prevUntil: function( elem, i, until ) {
                 return jQuery.dir( elem, "previousSibling", until );
            },
            siblings: function( elem ) {
                 return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
            },
            children: function( elem ) {
                 return jQuery.sibling( elem.firstChild );
            },
            contents: function( elem ) {
                 return jQuery.nodeName( elem, "iframe" ) ?
                      elem.contentDocument || elem.contentWindow.document :
                      jQuery.merge( [], elem.childNodes );
            }
       }, function( name, fn ) {
            jQuery.fn[ name ] = function( until, selector ) {
                 var ret = jQuery.map( this, fn, until );
       
                 if ( !runtil.test( name ) ) {
                      selector = until;
                 }
       
                 if ( selector && typeof selector === "string" ) {
                      ret = jQuery.filter( selector, ret );
                 }
       
                 ret = this.length > 1 && !guaranteedUnique[ name ] ? jQuery.unique( ret ) : ret;
       
                 if ( this.length > 1 && rparentsprev.test( name ) ) {
                      ret = ret.reverse();
                 }
       
                 return this.pushStack( ret );
            };
       });
       
       jQuery.extend({
            filter: function( expr, elems, not ) {
                 if ( not ) {
                      expr = ":not(" + expr + ")";
                 }
       
                 return elems.length === 1 ?
                      jQuery.find.matchesSelector(elems[0], expr) ? [ elems[0] ] : [] :
                      jQuery.find.matches(expr, elems);
            },
       
            dir: function( elem, dir, until ) {
                 var matched = [],
                      cur = elem[ dir ];
       
                 while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
                      if ( cur.nodeType === 1 ) {
                           matched.push( cur );
                      }
                      cur = cur[dir];
                 }
                 return matched;
            },
       
            sibling: function( n, elem ) {
                 var r = [];
       
                 for ( ; n; n = n.nextSibling ) {
                      if ( n.nodeType === 1 && n !== elem ) {
                           r.push( n );
                      }
                 }
       
                 return r;
            }
       });
       
       // Implement the identical functionality for filter and not
       function winnow( elements, qualifier, keep ) {
       
            // Can't pass null or undefined to indexOf in Firefox 4
            // Set to 0 to skip string check
            qualifier = qualifier || 0;
       
            if ( jQuery.isFunction( qualifier ) ) {
                 return jQuery.grep(elements, function( elem, i ) {
                      var retVal = !!qualifier.call( elem, i, elem );
                      return retVal === keep;
                 });
       
            } else if ( qualifier.nodeType ) {
                 return jQuery.grep(elements, function( elem ) {
                      return ( elem === qualifier ) === keep;
                 });
       
            } else if ( typeof qualifier === "string" ) {
                 var filtered = jQuery.grep(elements, function( elem ) {
                      return elem.nodeType === 1;
                 });
       
                 if ( isSimple.test( qualifier ) ) {
                      return jQuery.filter(qualifier, filtered, !keep);
                 } else {
                      qualifier = jQuery.filter( qualifier, filtered );
                 }
            }
       
            return jQuery.grep(elements, function( elem ) {
                 return ( jQuery.inArray( elem, qualifier ) >= 0 ) === keep;
            });
       }
       function createSafeFragment( document ) {
            var list = nodeNames.split( "|" ),
                 safeFrag = document.createDocumentFragment();
       
            if ( safeFrag.createElement ) {
                 while ( list.length ) {
                      safeFrag.createElement(
                           list.pop()
                      );
                 }
            }
            return safeFrag;
       }
       
       var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
                 "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
            rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
            rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
            rleadingWhitespace = /^\s+/,
            rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
            rtagName = /<([\w:]+)/,
            rtbody = /<tbody/i,
            rhtml = /<|&#?\w+;/,
            rnoInnerhtml = /<(?:script|style|link)/i,
            manipulation_rcheckableType = /^(?:checkbox|radio)$/i,
            // checked="checked" or checked
            rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
            rscriptType = /^$|\/(?:java|ecma)script/i,
            rscriptTypeMasked = /^true\/(.*)/,
            rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,
       
            // We have to close these tags to support XHTML (#13200)
            wrapMap = {
                 option: [ 1, "<select multiple='multiple'>", "</select>" ],
                 legend: [ 1, "<fieldset>", "</fieldset>" ],
                 area: [ 1, "<map>", "</map>" ],
                 param: [ 1, "<object>", "</object>" ],
                 thead: [ 1, "<table>", "</table>" ],
                 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
                 col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
                 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
       
                 // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
                 // unless wrapped in a div with non-breaking characters in front of it.
                 _default: jQuery.support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X<div>", "</div>"  ]
            },
            safeFragment = createSafeFragment( document ),
            fragmentDiv = safeFragment.appendChild( document.createElement("div") );
       
       wrapMap.optgroup = wrapMap.option;
       wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
       wrapMap.th = wrapMap.td;
       
       jQuery.fn.extend({
            text: function( value ) {
                 return jQuery.access( this, function( value ) {
                      return value === undefined ?
                           jQuery.text( this ) :
                           this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) );
                 }, null, value, arguments.length );
            },
       
            wrapAll: function( html ) {
                 if ( jQuery.isFunction( html ) ) {
                      return this.each(function(i) {
                           jQuery(this).wrapAll( html.call(this, i) );
                      });
                 }
       
                 if ( this[0] ) {
                      // The elements to wrap the target around
                      var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);
       
                      if ( this[0].parentNode ) {
                           wrap.insertBefore( this[0] );
                      }
       
                      wrap.map(function() {
                           var elem = this;
       
                           while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
                                elem = elem.firstChild;
                           }
       
                           return elem;
                      }).append( this );
                 }
       
                 return this;
            },
       
            wrapInner: function( html ) {
                 if ( jQuery.isFunction( html ) ) {
                      return this.each(function(i) {
                           jQuery(this).wrapInner( html.call(this, i) );
                      });
                 }
       
                 return this.each(function() {
                      var self = jQuery( this ),
                           contents = self.contents();
       
                      if ( contents.length ) {
                           contents.wrapAll( html );
       
                      } else {
                           self.append( html );
                      }
                 });
            },
       
            wrap: function( html ) {
                 var isFunction = jQuery.isFunction( html );
       
                 return this.each(function(i) {
                      jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
                 });
            },
       
            unwrap: function() {
                 return this.parent().each(function() {
                      if ( !jQuery.nodeName( this, "body" ) ) {
                           jQuery( this ).replaceWith( this.childNodes );
                      }
                 }).end();
            },
       
            append: function() {
                 return this.domManip(arguments, true, function( elem ) {
                      if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
                           this.appendChild( elem );
                      }
                 });
            },
       
            prepend: function() {
                 return this.domManip(arguments, true, function( elem ) {
                      if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
                           this.insertBefore( elem, this.firstChild );
                      }
                 });
            },
       
            before: function() {
                 return this.domManip( arguments, false, function( elem ) {
                      if ( this.parentNode ) {
                           this.parentNode.insertBefore( elem, this );
                      }
                 });
            },
       
            after: function() {
                 return this.domManip( arguments, false, function( elem ) {
                      if ( this.parentNode ) {
                           this.parentNode.insertBefore( elem, this.nextSibling );
                      }
                 });
            },
       
            // keepData is for internal use only--do not document
            remove: function( selector, keepData ) {
                 var elem,
                      i = 0;
       
                 for ( ; (elem = this[i]) != null; i++ ) {
                      if ( !selector || jQuery.filter( selector, [ elem ] ).length > 0 ) {
                           if ( !keepData && elem.nodeType === 1 ) {
                                jQuery.cleanData( getAll( elem ) );
                           }
       
                           if ( elem.parentNode ) {
                                if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) {
                                     setGlobalEval( getAll( elem, "script" ) );
                                }
                                elem.parentNode.removeChild( elem );
                           }
                      }
                 }
       
                 return this;
            },
       
            empty: function() {
                 var elem,
                      i = 0;
       
                 for ( ; (elem = this[i]) != null; i++ ) {
                      // Remove element nodes and prevent memory leaks
                      if ( elem.nodeType === 1 ) {
                           jQuery.cleanData( getAll( elem, false ) );
                      }
       
                      // Remove any remaining nodes
                      while ( elem.firstChild ) {
                           elem.removeChild( elem.firstChild );
                      }
       
                      // If this is a select, ensure that it displays empty (#12336)
                      // Support: IE<9
                      if ( elem.options && jQuery.nodeName( elem, "select" ) ) {
                           elem.options.length = 0;
                      }
                 }
       
                 return this;
            },
       
            clone: function( dataAndEvents, deepDataAndEvents ) {
                 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
                 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
       
                 return this.map( function () {
                      return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
                 });
            },
       
            html: function( value ) {
                 return jQuery.access( this, function( value ) {
                      var elem = this[0] || {},
                           i = 0,
                           l = this.length;
       
                      if ( value === undefined ) {
                           return elem.nodeType === 1 ?
                                elem.innerHTML.replace( rinlinejQuery, "" ) :
                                undefined;
                      }
       
                      // See if we can take a shortcut and just use innerHTML
                      if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
                           ( jQuery.support.htmlSerialize || !rnoshimcache.test( value )  ) &&
                           ( jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
                           !wrapMap[ ( rtagName.exec( value ) || ["", ""] )[1].toLowerCase() ] ) {
       
                           value = value.replace( rxhtmlTag, "<$1></$2>" );
       
                           try {
                                for (; i < l; i++ ) {
                                     // Remove element nodes and prevent memory leaks
                                     elem = this[i] || {};
                                     if ( elem.nodeType === 1 ) {
                                          jQuery.cleanData( getAll( elem, false ) );
                                          elem.innerHTML = value;
                                     }
                                }
       
                                elem = 0;
       
                           // If using innerHTML throws an exception, use the fallback method
                           } catch(e) {}
                      }
       
                      if ( elem ) {
                           this.empty().append( value );
                      }
                 }, null, value, arguments.length );
            },
       
            replaceWith: function( value ) {
                 var isFunc = jQuery.isFunction( value );
       
                 // Make sure that the elements are removed from the DOM before they are inserted
                 // this can help fix replacing a parent with child elements
                 if ( !isFunc && typeof value !== "string" ) {
                      value = jQuery( value ).not( this ).detach();
                 }
       
                 return this.domManip( [ value ], true, function( elem ) {
                      var next = this.nextSibling,
                           parent = this.parentNode;
       
                      if ( parent ) {
                           jQuery( this ).remove();
                           parent.insertBefore( elem, next );
                      }
                 });
            },
       
            detach: function( selector ) {
                 return this.remove( selector, true );
            },
       
            domManip: function( args, table, callback ) {
       
                 // Flatten any nested arrays
                 args = core_concat.apply( [], args );
       
                 var first, node, hasScripts,
                      scripts, doc, fragment,
                      i = 0,
                      l = this.length,
                      set = this,
                      iNoClone = l - 1,
                      value = args[0],
                      isFunction = jQuery.isFunction( value );
       
                 // We can't cloneNode fragments that contain checked, in WebKit
                 if ( isFunction || !( l <= 1 || typeof value !== "string" || jQuery.support.checkClone || !rchecked.test( value ) ) ) {
                      return this.each(function( index ) {
                           var self = set.eq( index );
                           if ( isFunction ) {
                                args[0] = value.call( this, index, table ? self.html() : undefined );
                           }
                           self.domManip( args, table, callback );
                      });
                 }
       
                 if ( l ) {
                      fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this );
                      first = fragment.firstChild;
       
                      if ( fragment.childNodes.length === 1 ) {
                           fragment = first;
                      }
       
                      if ( first ) {
                           table = table && jQuery.nodeName( first, "tr" );
                           scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
                           hasScripts = scripts.length;
       
                           // Use the original fragment for the last item instead of the first because it can end up
                           // being emptied incorrectly in certain situations (#8070).
                           for ( ; i < l; i++ ) {
                                node = fragment;
       
                                if ( i !== iNoClone ) {
                                     node = jQuery.clone( node, true, true );
       
                                     // Keep references to cloned scripts for later restoration
                                     if ( hasScripts ) {
                                          jQuery.merge( scripts, getAll( node, "script" ) );
                                     }
                                }
       
                                callback.call(
                                     table && jQuery.nodeName( this[i], "table" ) ?
                                          findOrAppend( this[i], "tbody" ) :
                                          this[i],
                                     node,
                                     i
                                );
                           }
       
                           if ( hasScripts ) {
                                doc = scripts[ scripts.length - 1 ].ownerDocument;
       
                                // Reenable scripts
                                jQuery.map( scripts, restoreScript );
       
                                // Evaluate executable scripts on first document insertion
                                for ( i = 0; i < hasScripts; i++ ) {
                                     node = scripts[ i ];
                                     if ( rscriptType.test( node.type || "" ) &&
                                          !jQuery._data( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
       
                                          if ( node.src ) {
                                               // Hope ajax is available...
                                               jQuery.ajax({
                                                    url: node.src,
                                                    type: "GET",
                                                    dataType: "script",
                                                    async: false,
                                                    global: false,
                                                    "throws": true
                                               });
                                          } else {
                                               jQuery.globalEval( ( node.text || node.textContent || node.innerHTML || "" ).replace( rcleanScript, "" ) );
                                          }
                                     }
                                }
                           }
       
                           // Fix #11809: Avoid leaking memory
                           fragment = first = null;
                      }
                 }
       
                 return this;
            }
       });
       
       function findOrAppend( elem, tag ) {
            return elem.getElementsByTagName( tag )[0] || elem.appendChild( elem.ownerDocument.createElement( tag ) );
       }
       
       // Replace/restore the type attribute of script elements for safe DOM manipulation
       function disableScript( elem ) {
            var attr = elem.getAttributeNode("type");
            elem.type = ( attr && attr.specified ) + "/" + elem.type;
            return elem;
       }
       function restoreScript( elem ) {
            var match = rscriptTypeMasked.exec( elem.type );
            if ( match ) {
                 elem.type = match[1];
            } else {
                 elem.removeAttribute("type");
            }
            return elem;
       }
       
       // Mark scripts as having already been evaluated
       function setGlobalEval( elems, refElements ) {
            var elem,
                 i = 0;
            for ( ; (elem = elems[i]) != null; i++ ) {
                 jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[i], "globalEval" ) );
            }
       }
       
       function cloneCopyEvent( src, dest ) {
       
            if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
                 return;
            }
       
            var type, i, l,
                 oldData = jQuery._data( src ),
                 curData = jQuery._data( dest, oldData ),
                 events = oldData.events;
       
            if ( events ) {
                 delete curData.handle;
                 curData.events = {};
       
                 for ( type in events ) {
                      for ( i = 0, l = events[ type ].length; i < l; i++ ) {
                           jQuery.event.add( dest, type, events[ type ][ i ] );
                      }
                 }
            }
       
            // make the cloned public data object a copy from the original
            if ( curData.data ) {
                 curData.data = jQuery.extend( {}, curData.data );
            }
       }
       
       function fixCloneNodeIssues( src, dest ) {
            var nodeName, e, data;
       
            // We do not need to do anything for non-Elements
            if ( dest.nodeType !== 1 ) {
                 return;
            }
       
            nodeName = dest.nodeName.toLowerCase();
       
            // IE6-8 copies events bound via attachEvent when using cloneNode.
            if ( !jQuery.support.noCloneEvent && dest[ jQuery.expando ] ) {
                 data = jQuery._data( dest );
       
                 for ( e in data.events ) {
                      jQuery.removeEvent( dest, e, data.handle );
                 }
       
                 // Event data gets referenced instead of copied if the expando gets copied too
                 dest.removeAttribute( jQuery.expando );
            }
       
            // IE blanks contents when cloning scripts, and tries to evaluate newly-set text
            if ( nodeName === "script" && dest.text !== src.text ) {
                 disableScript( dest ).text = src.text;
                 restoreScript( dest );
       
            // IE6-10 improperly clones children of object elements using classid.
            // IE10 throws NoModificationAllowedError if parent is null, #12132.
            } else if ( nodeName === "object" ) {
                 if ( dest.parentNode ) {
                      dest.outerHTML = src.outerHTML;
                 }
       
                 // This path appears unavoidable for IE9. When cloning an object
                 // element in IE9, the outerHTML strategy above is not sufficient.
                 // If the src has innerHTML and the destination does not,
                 // copy the src.innerHTML into the dest.innerHTML. #10324
                 if ( jQuery.support.html5Clone && ( src.innerHTML && !jQuery.trim(dest.innerHTML) ) ) {
                      dest.innerHTML = src.innerHTML;
                 }
       
            } else if ( nodeName === "input" && manipulation_rcheckableType.test( src.type ) ) {
                 // IE6-8 fails to persist the checked state of a cloned checkbox
                 // or radio button. Worse, IE6-7 fail to give the cloned element
                 // a checked appearance if the defaultChecked value isn't also set
       
                 dest.defaultChecked = dest.checked = src.checked;
       
                 // IE6-7 get confused and end up setting the value of a cloned
                 // checkbox/radio button to an empty string instead of "on"
                 if ( dest.value !== src.value ) {
                      dest.value = src.value;
                 }
       
            // IE6-8 fails to return the selected option to the default selected
            // state when cloning options
            } else if ( nodeName === "option" ) {
                 dest.defaultSelected = dest.selected = src.defaultSelected;
       
            // IE6-8 fails to set the defaultValue to the correct value when
            // cloning other types of input fields
            } else if ( nodeName === "input" || nodeName === "textarea" ) {
                 dest.defaultValue = src.defaultValue;
            }
       }
       
       jQuery.each({
            appendTo: "append",
            prependTo: "prepend",
            insertBefore: "before",
            insertAfter: "after",
            replaceAll: "replaceWith"
       }, function( name, original ) {
            jQuery.fn[ name ] = function( selector ) {
                 var elems,
                      i = 0,
                      ret = [],
                      insert = jQuery( selector ),
                      last = insert.length - 1;
       
                 for ( ; i <= last; i++ ) {
                      elems = i === last ? this : this.clone(true);
                      jQuery( insert[i] )[ original ]( elems );
       
                      // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get()
                      core_push.apply( ret, elems.get() );
                 }
       
                 return this.pushStack( ret );
            };
       });
       
       function getAll( context, tag ) {
            var elems, elem,
                 i = 0,
                 found = typeof context.getElementsByTagName !== core_strundefined ? context.getElementsByTagName( tag || "*" ) :
                      typeof context.querySelectorAll !== core_strundefined ? context.querySelectorAll( tag || "*" ) :
                      undefined;
       
            if ( !found ) {
                 for ( found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++ ) {
                      if ( !tag || jQuery.nodeName( elem, tag ) ) {
                           found.push( elem );
                      } else {
                           jQuery.merge( found, getAll( elem, tag ) );
                      }
                 }
            }
       
            return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
                 jQuery.merge( [ context ], found ) :
                 found;
       }
       
       // Used in buildFragment, fixes the defaultChecked property
       function fixDefaultChecked( elem ) {
            if ( manipulation_rcheckableType.test( elem.type ) ) {
                 elem.defaultChecked = elem.checked;
            }
       }
       
       jQuery.extend({
            clone: function( elem, dataAndEvents, deepDataAndEvents ) {
                 var destElements, node, clone, i, srcElements,
                      inPage = jQuery.contains( elem.ownerDocument, elem );
       
                 if ( jQuery.support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) {
                      clone = elem.cloneNode( true );
       
                 // IE<=8 does not properly clone detached, unknown element nodes
                 } else {
                      fragmentDiv.innerHTML = elem.outerHTML;
                      fragmentDiv.removeChild( clone = fragmentDiv.firstChild );
                 }
       
                 if ( (!jQuery.support.noCloneEvent || !jQuery.support.noCloneChecked) &&
                           (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
       
                      // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
                      destElements = getAll( clone );
                      srcElements = getAll( elem );
       
                      // Fix all IE cloning issues
                      for ( i = 0; (node = srcElements[i]) != null; ++i ) {
                           // Ensure that the destination node is not null; Fixes #9587
                           if ( destElements[i] ) {
                                fixCloneNodeIssues( node, destElements[i] );
                           }
                      }
                 }
       
                 // Copy the events from the original to the clone
                 if ( dataAndEvents ) {
                      if ( deepDataAndEvents ) {
                           srcElements = srcElements || getAll( elem );
                           destElements = destElements || getAll( clone );
       
                           for ( i = 0; (node = srcElements[i]) != null; i++ ) {
                                cloneCopyEvent( node, destElements[i] );
                           }
                      } else {
                           cloneCopyEvent( elem, clone );
                      }
                 }
       
                 // Preserve script evaluation history
                 destElements = getAll( clone, "script" );
                 if ( destElements.length > 0 ) {
                      setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
                 }
       
                 destElements = srcElements = node = null;
       
                 // Return the cloned set
                 return clone;
            },
       
            buildFragment: function( elems, context, scripts, selection ) {
                 var j, elem, contains,
                      tmp, tag, tbody, wrap,
                      l = elems.length,
       
                      // Ensure a safe fragment
                      safe = createSafeFragment( context ),
       
                      nodes = [],
                      i = 0;
       
                 for ( ; i < l; i++ ) {
                      elem = elems[ i ];
       
                      if ( elem || elem === 0 ) {
       
                           // Add nodes directly
                           if ( jQuery.type( elem ) === "object" ) {
                                jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
       
                           // Convert non-html into a text node
                           } else if ( !rhtml.test( elem ) ) {
                                nodes.push( context.createTextNode( elem ) );
       
                           // Convert html into DOM nodes
                           } else {
                                tmp = tmp || safe.appendChild( context.createElement("div") );
       
                                // Deserialize a standard representation
                                tag = ( rtagName.exec( elem ) || ["", ""] )[1].toLowerCase();
                                wrap = wrapMap[ tag ] || wrapMap._default;
       
                                tmp.innerHTML = wrap[1] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[2];
       
                                // Descend through wrappers to the right content
                                j = wrap[0];
                                while ( j-- ) {
                                     tmp = tmp.lastChild;
                                }
       
                                // Manually add leading whitespace removed by IE
                                if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
                                     nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) );
                                }
       
                                // Remove IE's autoinserted <tbody> from table fragments
                                if ( !jQuery.support.tbody ) {
       
                                     // String was a <table>, *may* have spurious <tbody>
                                     elem = tag === "table" && !rtbody.test( elem ) ?
                                          tmp.firstChild :
       
                                          // String was a bare <thead> or <tfoot>
                                          wrap[1] === "<table>" && !rtbody.test( elem ) ?
                                               tmp :
                                               0;
       
                                     j = elem && elem.childNodes.length;
                                     while ( j-- ) {
                                          if ( jQuery.nodeName( (tbody = elem.childNodes[j]), "tbody" ) && !tbody.childNodes.length ) {
                                               elem.removeChild( tbody );
                                          }
                                     }
                                }
       
                                jQuery.merge( nodes, tmp.childNodes );
       
                                // Fix #12392 for WebKit and IE > 9
                                tmp.textContent = "";
       
                                // Fix #12392 for oldIE
                                while ( tmp.firstChild ) {
                                     tmp.removeChild( tmp.firstChild );
                                }
       
                                // Remember the top-level container for proper cleanup
                                tmp = safe.lastChild;
                           }
                      }
                 }
       
                 // Fix #11356: Clear elements from fragment
                 if ( tmp ) {
                      safe.removeChild( tmp );
                 }
       
                 // Reset defaultChecked for any radios and checkboxes
                 // about to be appended to the DOM in IE 6/7 (#8060)
                 if ( !jQuery.support.appendChecked ) {
                      jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked );
                 }
       
                 i = 0;
                 while ( (elem = nodes[ i++ ]) ) {
       
                      // #4087 - If origin and destination elements are the same, and this is
                      // that element, do not do anything
                      if ( selection && jQuery.inArray( elem, selection ) !== -1 ) {
                           continue;
                      }
       
                      contains = jQuery.contains( elem.ownerDocument, elem );
       
                      // Append to fragment
                      tmp = getAll( safe.appendChild( elem ), "script" );
       
                      // Preserve script evaluation history
                      if ( contains ) {
                           setGlobalEval( tmp );
                      }
       
                      // Capture executables
                      if ( scripts ) {
                           j = 0;
                           while ( (elem = tmp[ j++ ]) ) {
                                if ( rscriptType.test( elem.type || "" ) ) {
                                     scripts.push( elem );
                                }
                           }
                      }
                 }
       
                 tmp = null;
       
                 return safe;
            },
       
            cleanData: function( elems, /* internal */ acceptData ) {
                 var elem, type, id, data,
                      i = 0,
                      internalKey = jQuery.expando,
                      cache = jQuery.cache,
                      deleteExpando = jQuery.support.deleteExpando,
                      special = jQuery.event.special;
       
                 for ( ; (elem = elems[i]) != null; i++ ) {
       
                      if ( acceptData || jQuery.acceptData( elem ) ) {
       
                           id = elem[ internalKey ];
                           data = id && cache[ id ];
       
                           if ( data ) {
                                if ( data.events ) {
                                     for ( type in data.events ) {
                                          if ( special[ type ] ) {
                                               jQuery.event.remove( elem, type );
       
                                          // This is a shortcut to avoid jQuery.event.remove's overhead
                                          } else {
                                               jQuery.removeEvent( elem, type, data.handle );
                                          }
                                     }
                                }
       
                                // Remove cache only if it was not already removed by jQuery.event.remove
                                if ( cache[ id ] ) {
       
                                     delete cache[ id ];
       
                                     // IE does not allow us to delete expando properties from nodes,
                                     // nor does it have a removeAttribute function on Document nodes;
                                     // we must handle all of these cases
                                     if ( deleteExpando ) {
                                          delete elem[ internalKey ];
       
                                     } else if ( typeof elem.removeAttribute !== core_strundefined ) {
                                          elem.removeAttribute( internalKey );
       
                                     } else {
                                          elem[ internalKey ] = null;
                                     }
       
                                     core_deletedIds.push( id );
                                }
                           }
                      }
                 }
            }
       });
       var iframe, getStyles, curCSS,
            ralpha = /alpha\([^)]*\)/i,
            ropacity = /opacity\s*=\s*([^)]*)/,
            rposition = /^(top|right|bottom|left)$/,
            // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
            // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
            rdisplayswap = /^(none|table(?!-c[ea]).+)/,
            rmargin = /^margin/,
            rnumsplit = new RegExp( "^(" + core_pnum + ")(.*)$", "i" ),
            rnumnonpx = new RegExp( "^(" + core_pnum + ")(?!px)[a-z%]+$", "i" ),
            rrelNum = new RegExp( "^([+-])=(" + core_pnum + ")", "i" ),
            elemdisplay = { BODY: "block" },
       
            cssShow = { position: "absolute", visibility: "hidden", display: "block" },
            cssNormalTransform = {
                 letterSpacing: 0,
                 fontWeight: 400
            },
       
            cssExpand = [ "Top", "Right", "Bottom", "Left" ],
            cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];
       
       // return a css property mapped to a potentially vendor prefixed property
       function vendorPropName( style, name ) {
       
            // shortcut for names that are not vendor prefixed
            if ( name in style ) {
                 return name;
            }
       
            // check for vendor prefixed names
            var capName = name.charAt(0).toUpperCase() + name.slice(1),
                 origName = name,
                 i = cssPrefixes.length;
       
            while ( i-- ) {
                 name = cssPrefixes[ i ] + capName;
                 if ( name in style ) {
                      return name;
                 }
            }
       
            return origName;
       }
       
       function isHidden( elem, el ) {
            // isHidden might be called from jQuery#filter function;
            // in that case, element will be second argument
            elem = el || elem;
            return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
       }
       
       function showHide( elements, show ) {
            var display, elem, hidden,
                 values = [],
                 index = 0,
                 length = elements.length;
       
            for ( ; index < length; index++ ) {
                 elem = elements[ index ];
                 if ( !elem.style ) {
                      continue;
                 }
       
                 values[ index ] = jQuery._data( elem, "olddisplay" );
                 display = elem.style.display;
                 if ( show ) {
                      // Reset the inline display of this element to learn if it is
                      // being hidden by cascaded rules or not
                      if ( !values[ index ] && display === "none" ) {
                           elem.style.display = "";
                      }
       
                      // Set elements which have been overridden with display: none
                      // in a stylesheet to whatever the default browser style is
                      // for such an element
                      if ( elem.style.display === "" && isHidden( elem ) ) {
                           values[ index ] = jQuery._data( elem, "olddisplay", css_defaultDisplay(elem.nodeName) );
                      }
                 } else {
       
                      if ( !values[ index ] ) {
                           hidden = isHidden( elem );
       
                           if ( display && display !== "none" || !hidden ) {
                                jQuery._data( elem, "olddisplay", hidden ? display : jQuery.css( elem, "display" ) );
                           }
                      }
                 }
            }
       
            // Set the display of most of the elements in a second loop
            // to avoid the constant reflow
            for ( index = 0; index < length; index++ ) {
                 elem = elements[ index ];
                 if ( !elem.style ) {
                      continue;
                 }
                 if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
                      elem.style.display = show ? values[ index ] || "" : "none";
                 }
            }
       
            return elements;
       }
       
       jQuery.fn.extend({
            css: function( name, value ) {
                 return jQuery.access( this, function( elem, name, value ) {
                      var len, styles,
                           map = {},
                           i = 0;
       
                      if ( jQuery.isArray( name ) ) {
                           styles = getStyles( elem );
                           len = name.length;
       
                           for ( ; i < len; i++ ) {
                                map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
                           }
       
                           return map;
                      }
       
                      return value !== undefined ?
                           jQuery.style( elem, name, value ) :
                           jQuery.css( elem, name );
                 }, name, value, arguments.length > 1 );
            },
            show: function() {
                 return showHide( this, true );
            },
            hide: function() {
                 return showHide( this );
            },
            toggle: function( state ) {
                 var bool = typeof state === "boolean";
       
                 return this.each(function() {
                      if ( bool ? state : isHidden( this ) ) {
                           jQuery( this ).show();
                      } else {
                           jQuery( this ).hide();
                      }
                 });
            }
       });
       
       jQuery.extend({
            // Add in style property hooks for overriding the default
            // behavior of getting and setting a style property
            cssHooks: {
                 opacity: {
                      get: function( elem, computed ) {
                           if ( computed ) {
                                // We should always get a number back from opacity
                                var ret = curCSS( elem, "opacity" );
                                return ret === "" ? "1" : ret;
                           }
                      }
                 }
            },
       
            // Exclude the following css properties to add px
            cssNumber: {
                 "columnCount": true,
                 "fillOpacity": true,
                 "fontWeight": true,
                 "lineHeight": true,
                 "opacity": true,
                 "orphans": true,
                 "widows": true,
                 "zIndex": true,
                 "zoom": true
            },
       
            // Add in properties whose names you wish to fix before
            // setting or getting the value
            cssProps: {
                 // normalize float css property
                 "float": jQuery.support.cssFloat ? "cssFloat" : "styleFloat"
            },
       
            // Get and set the style property on a DOM Node
            style: function( elem, name, value, extra ) {
                 // Don't set styles on text and comment nodes
                 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
                      return;
                 }
       
                 // Make sure that we're working with the right name
                 var ret, type, hooks,
                      origName = jQuery.camelCase( name ),
                      style = elem.style;
       
                 name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );
       
                 // gets hook for the prefixed version
                 // followed by the unprefixed version
                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
       
                 // Check if we're setting a value
                 if ( value !== undefined ) {
                      type = typeof value;
       
                      // convert relative number strings (+= or -=) to relative numbers. #7345
                      if ( type === "string" && (ret = rrelNum.exec( value )) ) {
                           value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
                           // Fixes bug #9237
                           type = "number";
                      }
       
                      // Make sure that NaN and null values aren't set. See: #7116
                      if ( value == null || type === "number" && isNaN( value ) ) {
                           return;
                      }
       
                      // If a number was passed in, add 'px' to the (except for certain CSS properties)
                      if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
                           value += "px";
                      }
       
                      // Fixes #8908, it can be done more correctly by specifing setters in cssHooks,
                      // but it would mean to define eight (for every problematic property) identical functions
                      if ( !jQuery.support.clearCloneStyle && value === "" && name.indexOf("background") === 0 ) {
                           style[ name ] = "inherit";
                      }
       
                      // If a hook was provided, use that value, otherwise just set the specified value
                      if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
       
                           // Wrapped to prevent IE from throwing errors when 'invalid' values are provided
                           // Fixes bug #5509
                           try {
                                style[ name ] = value;
                           } catch(e) {}
                      }
       
                 } else {
                      // If a hook was provided get the non-computed value from there
                      if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
                           return ret;
                      }
       
                      // Otherwise just get the value from the style object
                      return style[ name ];
                 }
            },
       
            css: function( elem, name, extra, styles ) {
                 var num, val, hooks,
                      origName = jQuery.camelCase( name );
       
                 // Make sure that we're working with the right name
                 name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );
       
                 // gets hook for the prefixed version
                 // followed by the unprefixed version
                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
       
                 // If a hook was provided get the computed value from there
                 if ( hooks && "get" in hooks ) {
                      val = hooks.get( elem, true, extra );
                 }
       
                 // Otherwise, if a way to get the computed value exists, use that
                 if ( val === undefined ) {
                      val = curCSS( elem, name, styles );
                 }
       
                 //convert "normal" to computed value
                 if ( val === "normal" && name in cssNormalTransform ) {
                      val = cssNormalTransform[ name ];
                 }
       
                 // Return, converting to number if forced or a qualifier was provided and val looks numeric
                 if ( extra === "" || extra ) {
                      num = parseFloat( val );
                      return extra === true || jQuery.isNumeric( num ) ? num || 0 : val;
                 }
                 return val;
            },
       
            // A method for quickly swapping in/out CSS properties to get correct calculations
            swap: function( elem, options, callback, args ) {
                 var ret, name,
                      old = {};
       
                 // Remember the old values, and insert the new ones
                 for ( name in options ) {
                      old[ name ] = elem.style[ name ];
                      elem.style[ name ] = options[ name ];
                 }
       
                 ret = callback.apply( elem, args || [] );
       
                 // Revert the old values
                 for ( name in options ) {
                      elem.style[ name ] = old[ name ];
                 }
       
                 return ret;
            }
       });
       
       // NOTE: we've included the "window" in window.getComputedStyle
       // because jsdom on node.js will break without it.
       if ( window.getComputedStyle ) {
            getStyles = function( elem ) {
                 return window.getComputedStyle( elem, null );
            };
       
            curCSS = function( elem, name, _computed ) {
                 var width, minWidth, maxWidth,
                      computed = _computed || getStyles( elem ),
       
                      // getPropertyValue is only needed for .css('filter') in IE9, see #12537
                      ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined,
                      style = elem.style;
       
                 if ( computed ) {
       
                      if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
                           ret = jQuery.style( elem, name );
                      }
       
                      // A tribute to the "awesome hack by Dean Edwards"
                      // Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
                      // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
                      // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
                      if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {
       
                           // Remember the original values
                           width = style.width;
                           minWidth = style.minWidth;
                           maxWidth = style.maxWidth;
       
                           // Put in the new values to get a computed value out
                           style.minWidth = style.maxWidth = style.width = ret;
                           ret = computed.width;
       
                           // Revert the changed values
                           style.width = width;
                           style.minWidth = minWidth;
                           style.maxWidth = maxWidth;
                      }
                 }
       
                 return ret;
            };
       } else if ( document.documentElement.currentStyle ) {
            getStyles = function( elem ) {
                 return elem.currentStyle;
            };
       
            curCSS = function( elem, name, _computed ) {
                 var left, rs, rsLeft,
                      computed = _computed || getStyles( elem ),
                      ret = computed ? computed[ name ] : undefined,
                      style = elem.style;
       
                 // Avoid setting ret to empty string here
                 // so we don't default to auto
                 if ( ret == null && style && style[ name ] ) {
                      ret = style[ name ];
                 }
       
                 // From the awesome hack by Dean Edwards
                 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
       
                 // If we're not dealing with a regular pixel number
                 // but a number that has a weird ending, we need to convert it to pixels
                 // but not position css attributes, as those are proportional to the parent element instead
                 // and we can't measure the parent instead because it might trigger a "stacking dolls" problem
                 if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {
       
                      // Remember the original values
                      left = style.left;
                      rs = elem.runtimeStyle;
                      rsLeft = rs && rs.left;
       
                      // Put in the new values to get a computed value out
                      if ( rsLeft ) {
                           rs.left = elem.currentStyle.left;
                      }
                      style.left = name === "fontSize" ? "1em" : ret;
                      ret = style.pixelLeft + "px";
       
                      // Revert the changed values
                      style.left = left;
                      if ( rsLeft ) {
                           rs.left = rsLeft;
                      }
                 }
       
                 return ret === "" ? "auto" : ret;
            };
       }
       
       function setPositiveNumber( elem, value, subtract ) {
            var matches = rnumsplit.exec( value );
            return matches ?
                 // Guard against undefined "subtract", e.g., when used as in cssHooks
                 Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
                 value;
       }
       
       function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
            var i = extra === ( isBorderBox ? "border" : "content" ) ?
                 // If we already have the right measurement, avoid augmentation
                 4 :
                 // Otherwise initialize for horizontal or vertical properties
                 name === "width" ? 1 : 0,
       
                 val = 0;
       
            for ( ; i < 4; i += 2 ) {
                 // both box models exclude margin, so add it if we want it
                 if ( extra === "margin" ) {
                      val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
                 }
       
                 if ( isBorderBox ) {
                      // border-box includes padding, so remove it if we want content
                      if ( extra === "content" ) {
                           val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
                      }
       
                      // at this point, extra isn't border nor margin, so remove border
                      if ( extra !== "margin" ) {
                           val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
                      }
                 } else {
                      // at this point, extra isn't content, so add padding
                      val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
       
                      // at this point, extra isn't content nor padding, so add border
                      if ( extra !== "padding" ) {
                           val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
                      }
                 }
            }
       
            return val;
       }
       
       function getWidthOrHeight( elem, name, extra ) {
       
            // Start with offset property, which is equivalent to the border-box value
            var valueIsBorderBox = true,
                 val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
                 styles = getStyles( elem ),
                 isBorderBox = jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
       
            // some non-html elements return undefined for offsetWidth, so check for null/undefined
            // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
            // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
            if ( val <= 0 || val == null ) {
                 // Fall back to computed then uncomputed css if necessary
                 val = curCSS( elem, name, styles );
                 if ( val < 0 || val == null ) {
                      val = elem.style[ name ];
                 }
       
                 // Computed unit is not pixels. Stop here and return.
                 if ( rnumnonpx.test(val) ) {
                      return val;
                 }
       
                 // we need the check for style in case a browser which returns unreliable values
                 // for getComputedStyle silently falls back to the reliable elem.style
                 valueIsBorderBox = isBorderBox && ( jQuery.support.boxSizingReliable || val === elem.style[ name ] );
       
                 // Normalize "", auto, and prepare for extra
                 val = parseFloat( val ) || 0;
            }
       
            // use the active box-sizing model to add/subtract irrelevant styles
            return ( val +
                 augmentWidthOrHeight(
                      elem,
                      name,
                      extra || ( isBorderBox ? "border" : "content" ),
                      valueIsBorderBox,
                      styles
                 )
            ) + "px";
       }
       
       // Try to determine the default display value of an element
       function css_defaultDisplay( nodeName ) {
            var doc = document,
                 display = elemdisplay[ nodeName ];
       
            if ( !display ) {
                 display = actualDisplay( nodeName, doc );
       
                 // If the simple way fails, read from inside an iframe
                 if ( display === "none" || !display ) {
                      // Use the already-created iframe if possible
                      iframe = ( iframe ||
                           jQuery("<iframe frameborder='0' width='0' height='0'/>")
                           .css( "cssText", "display:block !important" )
                      ).appendTo( doc.documentElement );
       
                      // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
                      doc = ( iframe[0].contentWindow || iframe[0].contentDocument ).document;
                      doc.write("<!doctype html><html><body>");
                      doc.close();
       
                      display = actualDisplay( nodeName, doc );
                      iframe.detach();
                 }
       
                 // Store the correct default display
                 elemdisplay[ nodeName ] = display;
            }
       
            return display;
       }
       
       // Called ONLY from within css_defaultDisplay
       function actualDisplay( name, doc ) {
            var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
                 display = jQuery.css( elem[0], "display" );
            elem.remove();
            return display;
       }
       
       jQuery.each([ "height", "width" ], function( i, name ) {
            jQuery.cssHooks[ name ] = {
                 get: function( elem, computed, extra ) {
                      if ( computed ) {
                           // certain elements can have dimension info if we invisibly show them
                           // however, it must have a current display style that would benefit from this
                           return elem.offsetWidth === 0 && rdisplayswap.test( jQuery.css( elem, "display" ) ) ?
                                jQuery.swap( elem, cssShow, function() {
                                     return getWidthOrHeight( elem, name, extra );
                                }) :
                                getWidthOrHeight( elem, name, extra );
                      }
                 },
       
                 set: function( elem, value, extra ) {
                      var styles = extra && getStyles( elem );
                      return setPositiveNumber( elem, value, extra ?
                           augmentWidthOrHeight(
                                elem,
                                name,
                                extra,
                                jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
                                styles
                           ) : 0
                      );
                 }
            };
       });
       
       if ( !jQuery.support.opacity ) {
            jQuery.cssHooks.opacity = {
                 get: function( elem, computed ) {
                      // IE uses filters for opacity
                      return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ?
                           ( 0.01 * parseFloat( RegExp.$1 ) ) + "" :
                           computed ? "1" : "";
                 },
       
                 set: function( elem, value ) {
                      var style = elem.style,
                           currentStyle = elem.currentStyle,
                           opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "",
                           filter = currentStyle && currentStyle.filter || style.filter || "";
       
                      // IE has trouble with opacity if it does not have layout
                      // Force it by setting the zoom level
                      style.zoom = 1;
       
                      // if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
                      // if value === "", then remove inline opacity #12685
                      if ( ( value >= 1 || value === "" ) &&
                                jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
                                style.removeAttribute ) {
       
                           // Setting style.filter to null, "" & " " still leave "filter:" in the cssText
                           // if "filter:" is present at all, clearType is disabled, we want to avoid this
                           // style.removeAttribute is IE Only, but so apparently is this code path...
                           style.removeAttribute( "filter" );
       
                           // if there is no filter style applied in a css rule or unset inline opacity, we are done
                           if ( value === "" || currentStyle && !currentStyle.filter ) {
                                return;
                           }
                      }
       
                      // otherwise, set new filter values
                      style.filter = ralpha.test( filter ) ?
                           filter.replace( ralpha, opacity ) :
                           filter + " " + opacity;
                 }
            };
       }
       
       // These hooks cannot be added until DOM ready because the support test
       // for it is not run until after DOM ready
       jQuery(function() {
            if ( !jQuery.support.reliableMarginRight ) {
                 jQuery.cssHooks.marginRight = {
                      get: function( elem, computed ) {
                           if ( computed ) {
                                // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
                                // Work around by temporarily setting element display to inline-block
                                return jQuery.swap( elem, { "display": "inline-block" },
                                     curCSS, [ elem, "marginRight" ] );
                           }
                      }
                 };
            }
       
            // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
            // getComputedStyle returns percent when specified for top/left/bottom/right
            // rather than make the css module depend on the offset module, we just check for it here
            if ( !jQuery.support.pixelPosition && jQuery.fn.position ) {
                 jQuery.each( [ "top", "left" ], function( i, prop ) {
                      jQuery.cssHooks[ prop ] = {
                           get: function( elem, computed ) {
                                if ( computed ) {
                                     computed = curCSS( elem, prop );
                                     // if curCSS returns percentage, fallback to offset
                                     return rnumnonpx.test( computed ) ?
                                          jQuery( elem ).position()[ prop ] + "px" :
                                          computed;
                                }
                           }
                      };
                 });
            }
       
       });
       
       if ( jQuery.expr && jQuery.expr.filters ) {
            jQuery.expr.filters.hidden = function( elem ) {
                 // Support: Opera <= 12.12
                 // Opera reports offsetWidths and offsetHeights less than zero on some elements
                 return elem.offsetWidth <= 0 && elem.offsetHeight <= 0 ||
                      (!jQuery.support.reliableHiddenOffsets && ((elem.style && elem.style.display) || jQuery.css( elem, "display" )) === "none");
            };
       
            jQuery.expr.filters.visible = function( elem ) {
                 return !jQuery.expr.filters.hidden( elem );
            };
       }
       
       // These hooks are used by animate to expand properties
       jQuery.each({
            margin: "",
            padding: "",
            border: "Width"
       }, function( prefix, suffix ) {
            jQuery.cssHooks[ prefix + suffix ] = {
                 expand: function( value ) {
                      var i = 0,
                           expanded = {},
       
                           // assumes a single number if not a string
                           parts = typeof value === "string" ? value.split(" ") : [ value ];
       
                      for ( ; i < 4; i++ ) {
                           expanded[ prefix + cssExpand[ i ] + suffix ] =
                                parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
                      }
       
                      return expanded;
                 }
            };
       
            if ( !rmargin.test( prefix ) ) {
                 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
            }
       });
       var r20 = /%20/g,
            rbracket = /\[\]$/,
            rCRLF = /\r?\n/g,
            rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
            rsubmittable = /^(?:input|select|textarea|keygen)/i;
       
       jQuery.fn.extend({
            serialize: function() {
                 return jQuery.param( this.serializeArray() );
            },
            serializeArray: function() {
                 return this.map(function(){
                      // Can add propHook for "elements" to filter or add form elements
                      var elements = jQuery.prop( this, "elements" );
                      return elements ? jQuery.makeArray( elements ) : this;
                 })
                 .filter(function(){
                      var type = this.type;
                      // Use .is(":disabled") so that fieldset[disabled] works
                      return this.name && !jQuery( this ).is( ":disabled" ) &&
                           rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
                           ( this.checked || !manipulation_rcheckableType.test( type ) );
                 })
                 .map(function( i, elem ){
                      var val = jQuery( this ).val();
       
                      return val == null ?
                           null :
                           jQuery.isArray( val ) ?
                                jQuery.map( val, function( val ){
                                     return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
                                }) :
                                { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
                 }).get();
            }
       });
       
       //Serialize an array of form elements or a set of
       //key/values into a query string
       jQuery.param = function( a, traditional ) {
            var prefix,
                 s = [],
                 add = function( key, value ) {
                      // If value is a function, invoke it and return its value
                      value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
                      s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
                 };
       
            // Set traditional to true for jQuery <= 1.3.2 behavior.
            if ( traditional === undefined ) {
                 traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
            }
       
            // If an array was passed in, assume that it is an array of form elements.
            if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
                 // Serialize the form elements
                 jQuery.each( a, function() {
                      add( this.name, this.value );
                 });
       
            } else {
                 // If traditional, encode the "old" way (the way 1.3.2 or older
                 // did it), otherwise encode params recursively.
                 for ( prefix in a ) {
                      buildParams( prefix, a[ prefix ], traditional, add );
                 }
            }
       
            // Return the resulting serialization
            return s.join( "&" ).replace( r20, "+" );
       };
       
       function buildParams( prefix, obj, traditional, add ) {
            var name;
       
            if ( jQuery.isArray( obj ) ) {
                 // Serialize array item.
                 jQuery.each( obj, function( i, v ) {
                      if ( traditional || rbracket.test( prefix ) ) {
                           // Treat each array item as a scalar.
                           add( prefix, v );
       
                      } else {
                           // Item is non-scalar (array or object), encode its numeric index.
                           buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
                      }
                 });
       
            } else if ( !traditional && jQuery.type( obj ) === "object" ) {
                 // Serialize object item.
                 for ( name in obj ) {
                      buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
                 }
       
            } else {
                 // Serialize scalar item.
                 add( prefix, obj );
            }
       }
       jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
            "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
            "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {
       
            // Handle event binding
            jQuery.fn[ name ] = function( data, fn ) {
                 return arguments.length > 0 ?
                      this.on( name, null, data, fn ) :
                      this.trigger( name );
            };
       });
       
       jQuery.fn.hover = function( fnOver, fnOut ) {
            return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
       };
       var
            // Document location
            ajaxLocParts,
            ajaxLocation,
            ajax_nonce = jQuery.now(),
       
            ajax_rquery = /\?/,
            rhash = /#.*$/,
            rts = /([?&])_=[^&]*/,
            rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
            // #7653, #8125, #8152: local protocol detection
            rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
            rnoContent = /^(?:GET|HEAD)$/,
            rprotocol = /^\/\//,
            rurl = /^([\w.+-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,
       
            // Keep a copy of the old load method
            _load = jQuery.fn.load,
       
            /* Prefilters
             * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
             * 2) These are called:
             *    - BEFORE asking for a transport
             *    - AFTER param serialization (s.data is a string if s.processData is true)
             * 3) key is the dataType
             * 4) the catchall symbol "*" can be used
             * 5) execution will start with transport dataType and THEN continue down to "*" if needed
             */
            prefilters = {},
       
            /* Transports bindings
             * 1) key is the dataType
             * 2) the catchall symbol "*" can be used
             * 3) selection will start with transport dataType and THEN go to "*" if needed
             */
            transports = {},
       
            // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
            allTypes = "*/".concat("*");
       
       // #8138, IE may throw an exception when accessing
       // a field from window.location if document.domain has been set
       try {
            ajaxLocation = location.href;
       } catch( e ) {
            // Use the href attribute of an A element
            // since IE will modify it given document.location
            ajaxLocation = document.createElement( "a" );
            ajaxLocation.href = "";
            ajaxLocation = ajaxLocation.href;
       }
       
       // Segment location into parts
       ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
       
       // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
       function addToPrefiltersOrTransports( structure ) {
       
            // dataTypeExpression is optional and defaults to "*"
            return function( dataTypeExpression, func ) {
       
                 if ( typeof dataTypeExpression !== "string" ) {
                      func = dataTypeExpression;
                      dataTypeExpression = "*";
                 }
       
                 var dataType,
                      i = 0,
                      dataTypes = dataTypeExpression.toLowerCase().match( core_rnotwhite ) || [];
       
                 if ( jQuery.isFunction( func ) ) {
                      // For each dataType in the dataTypeExpression
                      while ( (dataType = dataTypes[i++]) ) {
                           // Prepend if requested
                           if ( dataType[0] === "+" ) {
                                dataType = dataType.slice( 1 ) || "*";
                                (structure[ dataType ] = structure[ dataType ] || []).unshift( func );
       
                           // Otherwise append
                           } else {
                                (structure[ dataType ] = structure[ dataType ] || []).push( func );
                           }
                      }
                 }
            };
       }
       
       // Base inspection function for prefilters and transports
       function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
       
            var inspected = {},
                 seekingTransport = ( structure === transports );
       
            function inspect( dataType ) {
                 var selected;
                 inspected[ dataType ] = true;
                 jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
                      var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
                      if( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
                           options.dataTypes.unshift( dataTypeOrTransport );
                           inspect( dataTypeOrTransport );
                           return false;
                      } else if ( seekingTransport ) {
                           return !( selected = dataTypeOrTransport );
                      }
                 });
                 return selected;
            }
       
            return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
       }
       
       // A special extend for ajax options
       // that takes "flat" options (not to be deep extended)
       // Fixes #9887
       function ajaxExtend( target, src ) {
            var deep, key,
                 flatOptions = jQuery.ajaxSettings.flatOptions || {};
       
            for ( key in src ) {
                 if ( src[ key ] !== undefined ) {
                      ( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ];
                 }
            }
            if ( deep ) {
                 jQuery.extend( true, target, deep );
            }
       
            return target;
       }
       
       jQuery.fn.load = function( url, params, callback ) {
            if ( typeof url !== "string" && _load ) {
                 return _load.apply( this, arguments );
            }
       
            var selector, response, type,
                 self = this,
                 off = url.indexOf(" ");
       
            if ( off >= 0 ) {
                 selector = url.slice( off, url.length );
                 url = url.slice( 0, off );
            }
       
            // If it's a function
            if ( jQuery.isFunction( params ) ) {
       
                 // We assume that it's the callback
                 callback = params;
                 params = undefined;
       
            // Otherwise, build a param string
            } else if ( params && typeof params === "object" ) {
                 type = "POST";
            }
       
            // If we have elements to modify, make the request
            if ( self.length > 0 ) {
                 jQuery.ajax({
                      url: url,
       
                      // if "type" variable is undefined, then "GET" method will be used
                      type: type,
                      dataType: "html",
                      data: params
                 }).done(function( responseText ) {
       
                      // Save response for use in complete callback
                      response = arguments;
       
                      self.html( selector ?
       
                           // If a selector was specified, locate the right elements in a dummy div
                           // Exclude scripts to avoid IE 'Permission Denied' errors
                           jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :
       
                           // Otherwise use the full result
                           responseText );
       
                 }).complete( callback && function( jqXHR, status ) {
                      self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
                 });
            }
       
            return this;
       };
       
       // Attach a bunch of functions for handling common AJAX events
       jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ){
            jQuery.fn[ type ] = function( fn ){
                 return this.on( type, fn );
            };
       });
       
       jQuery.each( [ "get", "post" ], function( i, method ) {
            jQuery[ method ] = function( url, data, callback, type ) {
                 // shift arguments if data argument was omitted
                 if ( jQuery.isFunction( data ) ) {
                      type = type || callback;
                      callback = data;
                      data = undefined;
                 }
       
                 return jQuery.ajax({
                      url: url,
                      type: method,
                      dataType: type,
                      data: data,
                      success: callback
                 });
            };
       });
       
       jQuery.extend({
       
            // Counter for holding the number of active queries
            active: 0,
       
            // Last-Modified header cache for next request
            lastModified: {},
            etag: {},
       
            ajaxSettings: {
                 url: ajaxLocation,
                 type: "GET",
                 isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
                 global: true,
                 processData: true,
                 async: true,
                 contentType: "application/x-www-form-urlencoded; charset=UTF-8",
                 /*
                 timeout: 0,
                 data: null,
                 dataType: null,
                 username: null,
                 password: null,
                 cache: null,
                 throws: false,
                 traditional: false,
                 headers: {},
                 */
       
                 accepts: {
                      "*": allTypes,
                      text: "text/plain",
                      html: "text/html",
                      xml: "application/xml, text/xml",
                      json: "application/json, text/javascript"
                 },
       
                 contents: {
                      xml: /xml/,
                      html: /html/,
                      json: /json/
                 },
       
                 responseFields: {
                      xml: "responseXML",
                      text: "responseText"
                 },
       
                 // Data converters
                 // Keys separate source (or catchall "*") and destination types with a single space
                 converters: {
       
                      // Convert anything to text
                      "* text": window.String,
       
                      // Text to html (true = no transformation)
                      "text html": true,
       
                      // Evaluate text as a json expression
                      "text json": jQuery.parseJSON,
       
                      // Parse text as xml
                      "text xml": jQuery.parseXML
                 },
       
                 // For options that shouldn't be deep extended:
                 // you can add your own custom options here if
                 // and when you create one that shouldn't be
                 // deep extended (see ajaxExtend)
                 flatOptions: {
                      url: true,
                      context: true
                 }
            },
       
            // Creates a full fledged settings object into target
            // with both ajaxSettings and settings fields.
            // If target is omitted, writes into ajaxSettings.
            ajaxSetup: function( target, settings ) {
                 return settings ?
       
                      // Building a settings object
                      ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
       
                      // Extending ajaxSettings
                      ajaxExtend( jQuery.ajaxSettings, target );
            },
       
            ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
            ajaxTransport: addToPrefiltersOrTransports( transports ),
       
            // Main method
            ajax: function( url, options ) {
       
                 // If url is an object, simulate pre-1.5 signature
                 if ( typeof url === "object" ) {
                      options = url;
                      url = undefined;
                 }
       
                 // Force options to be an object
                 options = options || {};
       
                 var // Cross-domain detection vars
                      parts,
                      // Loop variable
                      i,
                      // URL without anti-cache param
                      cacheURL,
                      // Response headers as string
                      responseHeadersString,
                      // timeout handle
                      timeoutTimer,
       
                      // To know if global events are to be dispatched
                      fireGlobals,
       
                      transport,
                      // Response headers
                      responseHeaders,
                      // Create the final options object
                      s = jQuery.ajaxSetup( {}, options ),
                      // Callbacks context
                      callbackContext = s.context || s,
                      // Context for global events is callbackContext if it is a DOM node or jQuery collection
                      globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ?
                           jQuery( callbackContext ) :
                           jQuery.event,
                      // Deferreds
                      deferred = jQuery.Deferred(),
                      completeDeferred = jQuery.Callbacks("once memory"),
                      // Status-dependent callbacks
                      statusCode = s.statusCode || {},
                      // Headers (they are sent all at once)
                      requestHeaders = {},
                      requestHeadersNames = {},
                      // The jqXHR state
                      state = 0,
                      // Default abort message
                      strAbort = "canceled",
                      // Fake xhr
                      jqXHR = {
                           readyState: 0,
       
                           // Builds headers hashtable if needed
                           getResponseHeader: function( key ) {
                                var match;
                                if ( state === 2 ) {
                                     if ( !responseHeaders ) {
                                          responseHeaders = {};
                                          while ( (match = rheaders.exec( responseHeadersString )) ) {
                                               responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
                                          }
                                     }
                                     match = responseHeaders[ key.toLowerCase() ];
                                }
                                return match == null ? null : match;
                           },
       
                           // Raw string
                           getAllResponseHeaders: function() {
                                return state === 2 ? responseHeadersString : null;
                           },
       
                           // Caches the header
                           setRequestHeader: function( name, value ) {
                                var lname = name.toLowerCase();
                                if ( !state ) {
                                     name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
                                     requestHeaders[ name ] = value;
                                }
                                return this;
                           },
       
                           // Overrides response content-type header
                           overrideMimeType: function( type ) {
                                if ( !state ) {
                                     s.mimeType = type;
                                }
                                return this;
                           },
       
                           // Status-dependent callbacks
                           statusCode: function( map ) {
                                var code;
                                if ( map ) {
                                     if ( state < 2 ) {
                                          for ( code in map ) {
                                               // Lazy-add the new callback in a way that preserves old ones
                                               statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
                                          }
                                     } else {
                                          // Execute the appropriate callbacks
                                          jqXHR.always( map[ jqXHR.status ] );
                                     }
                                }
                                return this;
                           },
       
                           // Cancel the request
                           abort: function( statusText ) {
                                var finalText = statusText || strAbort;
                                if ( transport ) {
                                     transport.abort( finalText );
                                }
                                done( 0, finalText );
                                return this;
                           }
                      };
       
                 // Attach deferreds
                 deferred.promise( jqXHR ).complete = completeDeferred.add;
                 jqXHR.success = jqXHR.done;
                 jqXHR.error = jqXHR.fail;
       
                 // Remove hash character (#7531: and string promotion)
                 // Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
                 // Handle falsy url in the settings object (#10093: consistency with old signature)
                 // We also use the url parameter if available
                 s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
       
                 // Alias method option to type as per ticket #12004
                 s.type = options.method || options.type || s.method || s.type;
       
                 // Extract dataTypes list
                 s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( core_rnotwhite ) || [""];
       
                 // A cross-domain request is in order when we have a protocol:host:port mismatch
                 if ( s.crossDomain == null ) {
                      parts = rurl.exec( s.url.toLowerCase() );
                      s.crossDomain = !!( parts &&
                           ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
                                ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? 80 : 443 ) ) !=
                                     ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? 80 : 443 ) ) )
                      );
                 }
       
                 // Convert data if not already a string
                 if ( s.data && s.processData && typeof s.data !== "string" ) {
                      s.data = jQuery.param( s.data, s.traditional );
                 }
       
                 // Apply prefilters
                 inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
       
                 // If request was aborted inside a prefilter, stop there
                 if ( state === 2 ) {
                      return jqXHR;
                 }
       
                 // We can fire global events as of now if asked to
                 fireGlobals = s.global;
       
                 // Watch for a new set of requests
                 if ( fireGlobals && jQuery.active++ === 0 ) {
                      jQuery.event.trigger("ajaxStart");
                 }
       
                 // Uppercase the type
                 s.type = s.type.toUpperCase();
       
                 // Determine if request has content
                 s.hasContent = !rnoContent.test( s.type );
       
                 // Save the URL in case we're toying with the If-Modified-Since
                 // and/or If-None-Match header later on
                 cacheURL = s.url;
       
                 // More options handling for requests with no content
                 if ( !s.hasContent ) {
       
                      // If data is available, append data to url
                      if ( s.data ) {
                           cacheURL = ( s.url += ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
                           // #9682: remove data so that it's not used in an eventual retry
                           delete s.data;
                      }
       
                      // Add anti-cache in url if needed
                      if ( s.cache === false ) {
                           s.url = rts.test( cacheURL ) ?
       
                                // If there is already a '_' parameter, set its value
                                cacheURL.replace( rts, "$1_=" + ajax_nonce++ ) :
       
                                // Otherwise add one to the end
                                cacheURL + ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ajax_nonce++;
                      }
                 }
       
                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
                 if ( s.ifModified ) {
                      if ( jQuery.lastModified[ cacheURL ] ) {
                           jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
                      }
                      if ( jQuery.etag[ cacheURL ] ) {
                           jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
                      }
                 }
       
                 // Set the correct header, if data is being sent
                 if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
                      jqXHR.setRequestHeader( "Content-Type", s.contentType );
                 }
       
                 // Set the Accepts header for the server, depending on the dataType
                 jqXHR.setRequestHeader(
                      "Accept",
                      s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
                           s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
                           s.accepts[ "*" ]
                 );
       
                 // Check for headers option
                 for ( i in s.headers ) {
                      jqXHR.setRequestHeader( i, s.headers[ i ] );
                 }
       
                 // Allow custom headers/mimetypes and early abort
                 if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
                      // Abort if not done already and return
                      return jqXHR.abort();
                 }
       
                 // aborting is no longer a cancellation
                 strAbort = "abort";
       
                 // Install callbacks on deferreds
                 for ( i in { success: 1, error: 1, complete: 1 } ) {
                      jqXHR[ i ]( s[ i ] );
                 }
       
                 // Get transport
                 transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
       
                 // If no transport, we auto-abort
                 if ( !transport ) {
                      done( -1, "No Transport" );
                 } else {
                      jqXHR.readyState = 1;
       
                      // Send global event
                      if ( fireGlobals ) {
                           globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
                      }
                      // Timeout
                      if ( s.async && s.timeout > 0 ) {
                           timeoutTimer = setTimeout(function() {
                                jqXHR.abort("timeout");
                           }, s.timeout );
                      }
       
                      try {
                           state = 1;
                           transport.send( requestHeaders, done );
                      } catch ( e ) {
                           // Propagate exception as error if not done
                           if ( state < 2 ) {
                                done( -1, e );
                           // Simply rethrow otherwise
                           } else {
                                throw e;
                           }
                      }
                 }
       
                 // Callback for when everything is done
                 function done( status, nativeStatusText, responses, headers ) {
                      var isSuccess, success, error, response, modified,
                           statusText = nativeStatusText;
       
                      // Called once
                      if ( state === 2 ) {
                           return;
                      }
       
                      // State is "done" now
                      state = 2;
       
                      // Clear timeout if it exists
                      if ( timeoutTimer ) {
                           clearTimeout( timeoutTimer );
                      }
       
                      // Dereference transport for early garbage collection
                      // (no matter how long the jqXHR object will be used)
                      transport = undefined;
       
                      // Cache response headers
                      responseHeadersString = headers || "";
       
                      // Set readyState
                      jqXHR.readyState = status > 0 ? 4 : 0;
       
                      // Get response data
                      if ( responses ) {
                           response = ajaxHandleResponses( s, jqXHR, responses );
                      }
       
                      // If successful, handle type chaining
                      if ( status >= 200 && status < 300 || status === 304 ) {
       
                           // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
                           if ( s.ifModified ) {
                                modified = jqXHR.getResponseHeader("Last-Modified");
                                if ( modified ) {
                                     jQuery.lastModified[ cacheURL ] = modified;
                                }
                                modified = jqXHR.getResponseHeader("etag");
                                if ( modified ) {
                                     jQuery.etag[ cacheURL ] = modified;
                                }
                           }
       
                           // if no content
                           if ( status === 204 ) {
                                isSuccess = true;
                                statusText = "nocontent";
       
                           // if not modified
                           } else if ( status === 304 ) {
                                isSuccess = true;
                                statusText = "notmodified";
       
                           // If we have data, let's convert it
                           } else {
                                isSuccess = ajaxConvert( s, response );
                                statusText = isSuccess.state;
                                success = isSuccess.data;
                                error = isSuccess.error;
                                isSuccess = !error;
                           }
                      } else {
                           // We extract error from statusText
                           // then normalize statusText and status for non-aborts
                           error = statusText;
                           if ( status || !statusText ) {
                                statusText = "error";
                                if ( status < 0 ) {
                                     status = 0;
                                }
                           }
                      }
       
                      // Set data for the fake xhr object
                      jqXHR.status = status;
                      jqXHR.statusText = ( nativeStatusText || statusText ) + "";
       
                      // Success/Error
                      if ( isSuccess ) {
                           deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
                      } else {
                           deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
                      }
       
                      // Status-dependent callbacks
                      jqXHR.statusCode( statusCode );
                      statusCode = undefined;
       
                      if ( fireGlobals ) {
                           globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
                                [ jqXHR, s, isSuccess ? success : error ] );
                      }
       
                      // Complete
                      completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
       
                      if ( fireGlobals ) {
                           globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
                           // Handle the global AJAX counter
                           if ( !( --jQuery.active ) ) {
                                jQuery.event.trigger("ajaxStop");
                           }
                      }
                 }
       
                 return jqXHR;
            },
       
            getScript: function( url, callback ) {
                 return jQuery.get( url, undefined, callback, "script" );
            },
       
            getJSON: function( url, data, callback ) {
                 return jQuery.get( url, data, callback, "json" );
            }
       });
       
       /* Handles responses to an ajax request:
        * - sets all responseXXX fields accordingly
        * - finds the right dataType (mediates between content-type and expected dataType)
        * - returns the corresponding response
        */
       function ajaxHandleResponses( s, jqXHR, responses ) {
            var firstDataType, ct, finalDataType, type,
                 contents = s.contents,
                 dataTypes = s.dataTypes,
                 responseFields = s.responseFields;
       
            // Fill responseXXX fields
            for ( type in responseFields ) {
                 if ( type in responses ) {
                      jqXHR[ responseFields[type] ] = responses[ type ];
                 }
            }
       
            // Remove auto dataType and get content-type in the process
            while( dataTypes[ 0 ] === "*" ) {
                 dataTypes.shift();
                 if ( ct === undefined ) {
                      ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
                 }
            }
       
            // Check if we're dealing with a known content-type
            if ( ct ) {
                 for ( type in contents ) {
                      if ( contents[ type ] && contents[ type ].test( ct ) ) {
                           dataTypes.unshift( type );
                           break;
                      }
                 }
            }
       
            // Check to see if we have a response for the expected dataType
            if ( dataTypes[ 0 ] in responses ) {
                 finalDataType = dataTypes[ 0 ];
            } else {
                 // Try convertible dataTypes
                 for ( type in responses ) {
                      if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
                           finalDataType = type;
                           break;
                      }
                      if ( !firstDataType ) {
                           firstDataType = type;
                      }
                 }
                 // Or just use first one
                 finalDataType = finalDataType || firstDataType;
            }
       
            // If we found a dataType
            // We add the dataType to the list if needed
            // and return the corresponding response
            if ( finalDataType ) {
                 if ( finalDataType !== dataTypes[ 0 ] ) {
                      dataTypes.unshift( finalDataType );
                 }
                 return responses[ finalDataType ];
            }
       }
       
       // Chain conversions given the request and the original response
       function ajaxConvert( s, response ) {
            var conv2, current, conv, tmp,
                 converters = {},
                 i = 0,
                 // Work with a copy of dataTypes in case we need to modify it for conversion
                 dataTypes = s.dataTypes.slice(),
                 prev = dataTypes[ 0 ];
       
            // Apply the dataFilter if provided
            if ( s.dataFilter ) {
                 response = s.dataFilter( response, s.dataType );
            }
       
            // Create converters map with lowercased keys
            if ( dataTypes[ 1 ] ) {
                 for ( conv in s.converters ) {
                      converters[ conv.toLowerCase() ] = s.converters[ conv ];
                 }
            }
       
            // Convert to each sequential dataType, tolerating list modification
            for ( ; (current = dataTypes[++i]); ) {
       
                 // There's only work to do if current dataType is non-auto
                 if ( current !== "*" ) {
       
                      // Convert response if prev dataType is non-auto and differs from current
                      if ( prev !== "*" && prev !== current ) {
       
                           // Seek a direct converter
                           conv = converters[ prev + " " + current ] || converters[ "* " + current ];
       
                           // If none found, seek a pair
                           if ( !conv ) {
                                for ( conv2 in converters ) {
       
                                     // If conv2 outputs current
                                     tmp = conv2.split(" ");
                                     if ( tmp[ 1 ] === current ) {
       
                                          // If prev can be converted to accepted input
                                          conv = converters[ prev + " " + tmp[ 0 ] ] ||
                                               converters[ "* " + tmp[ 0 ] ];
                                          if ( conv ) {
                                               // Condense equivalence converters
                                               if ( conv === true ) {
                                                    conv = converters[ conv2 ];
       
                                               // Otherwise, insert the intermediate dataType
                                               } else if ( converters[ conv2 ] !== true ) {
                                                    current = tmp[ 0 ];
                                                    dataTypes.splice( i--, 0, current );
                                               }
       
                                               break;
                                          }
                                     }
                                }
                           }
       
                           // Apply converter (if not an equivalence)
                           if ( conv !== true ) {
       
                                // Unless errors are allowed to bubble, catch and return them
                                if ( conv && s["throws"] ) {
                                     response = conv( response );
                                } else {
                                     try {
                                          response = conv( response );
                                     } catch ( e ) {
                                          return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
                                     }
                                }
                           }
                      }
       
                      // Update prev for next iteration
                      prev = current;
                 }
            }
       
            return { state: "success", data: response };
       }
       // Install script dataType
       jQuery.ajaxSetup({
            accepts: {
                 script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
            },
            contents: {
                 script: /(?:java|ecma)script/
            },
            converters: {
                 "text script": function( text ) {
                      jQuery.globalEval( text );
                      return text;
                 }
            }
       });
       
       // Handle cache's special case and global
       jQuery.ajaxPrefilter( "script", function( s ) {
            if ( s.cache === undefined ) {
                 s.cache = false;
            }
            if ( s.crossDomain ) {
                 s.type = "GET";
                 s.global = false;
            }
       });
       
       // Bind script tag hack transport
       jQuery.ajaxTransport( "script", function(s) {
       
            // This transport only deals with cross domain requests
            if ( s.crossDomain ) {
       
                 var script,
                      head = document.head || jQuery("head")[0] || document.documentElement;
       
                 return {
       
                      send: function( _, callback ) {
       
                           script = document.createElement("script");
       
                           script.async = true;
       
                           if ( s.scriptCharset ) {
                                script.charset = s.scriptCharset;
                           }
       
                           script.src = s.url;
       
                           // Attach handlers for all browsers
                           script.onload = script.onreadystatechange = function( _, isAbort ) {
       
                                if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {
       
                                     // Handle memory leak in IE
                                     script.onload = script.onreadystatechange = null;
       
                                     // Remove the script
                                     if ( script.parentNode ) {
                                          script.parentNode.removeChild( script );
                                     }
       
                                     // Dereference the script
                                     script = null;
       
                                     // Callback if not abort
                                     if ( !isAbort ) {
                                          callback( 200, "success" );
                                     }
                                }
                           };
       
                           // Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
                           // Use native DOM manipulation to avoid our domManip AJAX trickery
                           head.insertBefore( script, head.firstChild );
                      },
       
                      abort: function() {
                           if ( script ) {
                                script.onload( undefined, true );
                           }
                      }
                 };
            }
       });
       var oldCallbacks = [],
            rjsonp = /(=)\?(?=&|$)|\?\?/;
       
       // Default jsonp settings
       jQuery.ajaxSetup({
            jsonp: "callback",
            jsonpCallback: function() {
                 var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( ajax_nonce++ ) );
                 this[ callback ] = true;
                 return callback;
            }
       });
       
       // Detect, normalize options and install callbacks for jsonp requests
       jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
       
            var callbackName, overwritten, responseContainer,
                 jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
                      "url" :
                      typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data"
                 );
       
            // Handle iff the expected data type is "jsonp" or we have a parameter to set
            if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
       
                 // Get callback name, remembering preexisting value associated with it
                 callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
                      s.jsonpCallback() :
                      s.jsonpCallback;
       
                 // Insert callback into url or form data
                 if ( jsonProp ) {
                      s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
                 } else if ( s.jsonp !== false ) {
                      s.url += ( ajax_rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
                 }
       
                 // Use data converter to retrieve json after script execution
                 s.converters["script json"] = function() {
                      if ( !responseContainer ) {
                           jQuery.error( callbackName + " was not called" );
                      }
                      return responseContainer[ 0 ];
                 };
       
                 // force json dataType
                 s.dataTypes[ 0 ] = "json";
       
                 // Install callback
                 overwritten = window[ callbackName ];
                 window[ callbackName ] = function() {
                      responseContainer = arguments;
                 };
       
                 // Clean-up function (fires after converters)
                 jqXHR.always(function() {
                      // Restore preexisting value
                      window[ callbackName ] = overwritten;
       
                      // Save back as free
                      if ( s[ callbackName ] ) {
                           // make sure that re-using the options doesn't screw things around
                           s.jsonpCallback = originalSettings.jsonpCallback;
       
                           // save the callback name for future use
                           oldCallbacks.push( callbackName );
                      }
       
                      // Call if it was a function and we have a response
                      if ( responseContainer && jQuery.isFunction( overwritten ) ) {
                           overwritten( responseContainer[ 0 ] );
                      }
       
                      responseContainer = overwritten = undefined;
                 });
       
                 // Delegate to script
                 return "script";
            }
       });
       var xhrCallbacks, xhrSupported,
            xhrId = 0,
            // #5280: Internet Explorer will keep connections alive if we don't abort on unload
            xhrOnUnloadAbort = window.ActiveXObject && function() {
                 // Abort all pending requests
                 var key;
                 for ( key in xhrCallbacks ) {
                      xhrCallbacks[ key ]( undefined, true );
                 }
            };
       
       // Functions to create xhrs
       function createStandardXHR() {
            try {
                 return new window.XMLHttpRequest();
            } catch( e ) {}
       }
       
       function createActiveXHR() {
            try {
                 return new window.ActiveXObject("Microsoft.XMLHTTP");
            } catch( e ) {}
       }
       
       // Create the request object
       // (This is still attached to ajaxSettings for backward compatibility)
       jQuery.ajaxSettings.xhr = window.ActiveXObject ?
            /* Microsoft failed to properly
             * implement the XMLHttpRequest in IE7 (can't request local files),
             * so we use the ActiveXObject when it is available
             * Additionally XMLHttpRequest can be disabled in IE7/IE8 so
             * we need a fallback.
             */
            function() {
                 return !this.isLocal && createStandardXHR() || createActiveXHR();
            } :
            // For all other browsers, use the standard XMLHttpRequest object
            createStandardXHR;
       
       // Determine support properties
       xhrSupported = jQuery.ajaxSettings.xhr();
       jQuery.support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
       xhrSupported = jQuery.support.ajax = !!xhrSupported;
       
       // Create transport if the browser can provide an xhr
       if ( xhrSupported ) {
       
            jQuery.ajaxTransport(function( s ) {
                 // Cross domain only allowed if supported through XMLHttpRequest
                 if ( !s.crossDomain || jQuery.support.cors ) {
       
                      var callback;
       
                      return {
                           send: function( headers, complete ) {
       
                                // Get a new xhr
                                var handle, i,
                                     xhr = s.xhr();
       
                                // Open the socket
                                // Passing null username, generates a login popup on Opera (#2865)
                                if ( s.username ) {
                                     xhr.open( s.type, s.url, s.async, s.username, s.password );
                                } else {
                                     xhr.open( s.type, s.url, s.async );
                                }
       
                                // Apply custom fields if provided
                                if ( s.xhrFields ) {
                                     for ( i in s.xhrFields ) {
                                          xhr[ i ] = s.xhrFields[ i ];
                                     }
                                }
       
                                // Override mime type if needed
                                if ( s.mimeType && xhr.overrideMimeType ) {
                                     xhr.overrideMimeType( s.mimeType );
                                }
       
                                // X-Requested-With header
                                // For cross-domain requests, seeing as conditions for a preflight are
                                // akin to a jigsaw puzzle, we simply never set it to be sure.
                                // (it can always be set on a per-request basis or even using ajaxSetup)
                                // For same-domain requests, won't change header if already provided.
                                if ( !s.crossDomain && !headers["X-Requested-With"] ) {
                                     headers["X-Requested-With"] = "XMLHttpRequest";
                                }
       
                                // Need an extra try/catch for cross domain requests in Firefox 3
                                try {
                                     for ( i in headers ) {
                                          xhr.setRequestHeader( i, headers[ i ] );
                                     }
                                } catch( err ) {}
       
                                // Do send the request
                                // This may raise an exception which is actually
                                // handled in jQuery.ajax (so no try/catch here)
                                xhr.send( ( s.hasContent && s.data ) || null );
       
                                // Listener
                                callback = function( _, isAbort ) {
                                     var status, responseHeaders, statusText, responses;
       
                                     // Firefox throws exceptions when accessing properties
                                     // of an xhr when a network error occurred
                                     // http://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_(NS_ERROR_NOT_AVAILABLE)
                                     try {
       
                                          // Was never called and is aborted or complete
                                          if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
       
                                               // Only called once
                                               callback = undefined;
       
                                               // Do not keep as active anymore
                                               if ( handle ) {
                                                    xhr.onreadystatechange = jQuery.noop;
                                                    if ( xhrOnUnloadAbort ) {
                                                         delete xhrCallbacks[ handle ];
                                                    }
                                               }
       
                                               // If it's an abort
                                               if ( isAbort ) {
                                                    // Abort it manually if needed
                                                    if ( xhr.readyState !== 4 ) {
                                                         xhr.abort();
                                                    }
                                               } else {
                                                    responses = {};
                                                    status = xhr.status;
                                                    responseHeaders = xhr.getAllResponseHeaders();
       
                                                    // When requesting binary data, IE6-9 will throw an exception
                                                    // on any attempt to access responseText (#11426)
                                                    if ( typeof xhr.responseText === "string" ) {
                                                         responses.text = xhr.responseText;
                                                    }
       
                                                    // Firefox throws an exception when accessing
                                                    // statusText for faulty cross-domain requests
                                                    try {
                                                         statusText = xhr.statusText;
                                                    } catch( e ) {
                                                         // We normalize with Webkit giving an empty statusText
                                                         statusText = "";
                                                    }
       
                                                    // Filter status for non standard behaviors
       
                                                    // If the request is local and we have data: assume a success
                                                    // (success with no data won't get notified, that's the best we
                                                    // can do given current implementations)
                                                    if ( !status && s.isLocal && !s.crossDomain ) {
                                                         status = responses.text ? 200 : 404;
                                                    // IE - #1450: sometimes returns 1223 when it should be 204
                                                    } else if ( status === 1223 ) {
                                                         status = 204;
                                                    }
                                               }
                                          }
                                     } catch( firefoxAccessException ) {
                                          if ( !isAbort ) {
                                               complete( -1, firefoxAccessException );
                                          }
                                     }
       
                                     // Call complete if needed
                                     if ( responses ) {
                                          complete( status, statusText, responses, responseHeaders );
                                     }
                                };
       
                                if ( !s.async ) {
                                     // if we're in sync mode we fire the callback
                                     callback();
                                } else if ( xhr.readyState === 4 ) {
                                     // (IE6 & IE7) if it's in cache and has been
                                     // retrieved directly we need to fire the callback
                                     setTimeout( callback );
                                } else {
                                     handle = ++xhrId;
                                     if ( xhrOnUnloadAbort ) {
                                          // Create the active xhrs callbacks list if needed
                                          // and attach the unload handler
                                          if ( !xhrCallbacks ) {
                                               xhrCallbacks = {};
                                               jQuery( window ).unload( xhrOnUnloadAbort );
                                          }
                                          // Add to list of active xhrs callbacks
                                          xhrCallbacks[ handle ] = callback;
                                     }
                                     xhr.onreadystatechange = callback;
                                }
                           },
       
                           abort: function() {
                                if ( callback ) {
                                     callback( undefined, true );
                                }
                           }
                      };
                 }
            });
       }
       var fxNow, timerId,
            rfxtypes = /^(?:toggle|show|hide)$/,
            rfxnum = new RegExp( "^(?:([+-])=|)(" + core_pnum + ")([a-z%]*)$", "i" ),
            rrun = /queueHooks$/,
            animationPrefilters = [ defaultPrefilter ],
            tweeners = {
                 "*": [function( prop, value ) {
                      var end, unit,
                           tween = this.createTween( prop, value ),
                           parts = rfxnum.exec( value ),
                           target = tween.cur(),
                           start = +target || 0,
                           scale = 1,
                           maxIterations = 20;
       
                      if ( parts ) {
                           end = +parts[2];
                           unit = parts[3] || ( jQuery.cssNumber[ prop ] ? "" : "px" );
       
                           // We need to compute starting value
                           if ( unit !== "px" && start ) {
                                // Iteratively approximate from a nonzero starting point
                                // Prefer the current property, because this process will be trivial if it uses the same units
                                // Fallback to end or a simple constant
                                start = jQuery.css( tween.elem, prop, true ) || end || 1;
       
                                do {
                                     // If previous iteration zeroed out, double until we get *something*
                                     // Use a string for doubling factor so we don't accidentally see scale as unchanged below
                                     scale = scale || ".5";
       
                                     // Adjust and apply
                                     start = start / scale;
                                     jQuery.style( tween.elem, prop, start + unit );
       
                                // Update scale, tolerating zero or NaN from tween.cur()
                                // And breaking the loop if scale is unchanged or perfect, or if we've just had enough
                                } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
                           }
       
                           tween.unit = unit;
                           tween.start = start;
                           // If a +=/-= token was provided, we're doing a relative animation
                           tween.end = parts[1] ? start + ( parts[1] + 1 ) * end : end;
                      }
                      return tween;
                 }]
            };
       
       // Animations created synchronously will run synchronously
       function createFxNow() {
            setTimeout(function() {
                 fxNow = undefined;
            });
            return ( fxNow = jQuery.now() );
       }
       
       function createTweens( animation, props ) {
            jQuery.each( props, function( prop, value ) {
                 var collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
                      index = 0,
                      length = collection.length;
                 for ( ; index < length; index++ ) {
                      if ( collection[ index ].call( animation, prop, value ) ) {
       
                           // we're done with this property
                           return;
                      }
                 }
            });
       }
       
       function Animation( elem, properties, options ) {
            var result,
                 stopped,
                 index = 0,
                 length = animationPrefilters.length,
                 deferred = jQuery.Deferred().always( function() {
                      // don't match elem in the :animated selector
                      delete tick.elem;
                 }),
                 tick = function() {
                      if ( stopped ) {
                           return false;
                      }
                      var currentTime = fxNow || createFxNow(),
                           remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
                           // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
                           temp = remaining / animation.duration || 0,
                           percent = 1 - temp,
                           index = 0,
                           length = animation.tweens.length;
       
                      for ( ; index < length ; index++ ) {
                           animation.tweens[ index ].run( percent );
                      }
       
                      deferred.notifyWith( elem, [ animation, percent, remaining ]);
       
                      if ( percent < 1 && length ) {
                           return remaining;
                      } else {
                           deferred.resolveWith( elem, [ animation ] );
                           return false;
                      }
                 },
                 animation = deferred.promise({
                      elem: elem,
                      props: jQuery.extend( {}, properties ),
                      opts: jQuery.extend( true, { specialEasing: {} }, options ),
                      originalProperties: properties,
                      originalOptions: options,
                      startTime: fxNow || createFxNow(),
                      duration: options.duration,
                      tweens: [],
                      createTween: function( prop, end ) {
                           var tween = jQuery.Tween( elem, animation.opts, prop, end,
                                     animation.opts.specialEasing[ prop ] || animation.opts.easing );
                           animation.tweens.push( tween );
                           return tween;
                      },
                      stop: function( gotoEnd ) {
                           var index = 0,
                                // if we are going to the end, we want to run all the tweens
                                // otherwise we skip this part
                                length = gotoEnd ? animation.tweens.length : 0;
                           if ( stopped ) {
                                return this;
                           }
                           stopped = true;
                           for ( ; index < length ; index++ ) {
                                animation.tweens[ index ].run( 1 );
                           }
       
                           // resolve when we played the last frame
                           // otherwise, reject
                           if ( gotoEnd ) {
                                deferred.resolveWith( elem, [ animation, gotoEnd ] );
                           } else {
                                deferred.rejectWith( elem, [ animation, gotoEnd ] );
                           }
                           return this;
                      }
                 }),
                 props = animation.props;
       
            propFilter( props, animation.opts.specialEasing );
       
            for ( ; index < length ; index++ ) {
                 result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
                 if ( result ) {
                      return result;
                 }
            }
       
            createTweens( animation, props );
       
            if ( jQuery.isFunction( animation.opts.start ) ) {
                 animation.opts.start.call( elem, animation );
            }
       
            jQuery.fx.timer(
                 jQuery.extend( tick, {
                      elem: elem,
                      anim: animation,
                      queue: animation.opts.queue
                 })
            );
       
            // attach callbacks from options
            return animation.progress( animation.opts.progress )
                 .done( animation.opts.done, animation.opts.complete )
                 .fail( animation.opts.fail )
                 .always( animation.opts.always );
       }
       
       function propFilter( props, specialEasing ) {
            var value, name, index, easing, hooks;
       
            // camelCase, specialEasing and expand cssHook pass
            for ( index in props ) {
                 name = jQuery.camelCase( index );
                 easing = specialEasing[ name ];
                 value = props[ index ];
                 if ( jQuery.isArray( value ) ) {
                      easing = value[ 1 ];
                      value = props[ index ] = value[ 0 ];
                 }
       
                 if ( index !== name ) {
                      props[ name ] = value;
                      delete props[ index ];
                 }
       
                 hooks = jQuery.cssHooks[ name ];
                 if ( hooks && "expand" in hooks ) {
                      value = hooks.expand( value );
                      delete props[ name ];
       
                      // not quite $.extend, this wont overwrite keys already present.
                      // also - reusing 'index' from above because we have the correct "name"
                      for ( index in value ) {
                           if ( !( index in props ) ) {
                                props[ index ] = value[ index ];
                                specialEasing[ index ] = easing;
                           }
                      }
                 } else {
                      specialEasing[ name ] = easing;
                 }
            }
       }
       
       jQuery.Animation = jQuery.extend( Animation, {
       
            tweener: function( props, callback ) {
                 if ( jQuery.isFunction( props ) ) {
                      callback = props;
                      props = [ "*" ];
                 } else {
                      props = props.split(" ");
                 }
       
                 var prop,
                      index = 0,
                      length = props.length;
       
                 for ( ; index < length ; index++ ) {
                      prop = props[ index ];
                      tweeners[ prop ] = tweeners[ prop ] || [];
                      tweeners[ prop ].unshift( callback );
                 }
            },
       
            prefilter: function( callback, prepend ) {
                 if ( prepend ) {
                      animationPrefilters.unshift( callback );
                 } else {
                      animationPrefilters.push( callback );
                 }
            }
       });
       
       function defaultPrefilter( elem, props, opts ) {
            /*jshint validthis:true */
            var prop, index, length,
                 value, dataShow, toggle,
                 tween, hooks, oldfire,
                 anim = this,
                 style = elem.style,
                 orig = {},
                 handled = [],
                 hidden = elem.nodeType && isHidden( elem );
       
            // handle queue: false promises
            if ( !opts.queue ) {
                 hooks = jQuery._queueHooks( elem, "fx" );
                 if ( hooks.unqueued == null ) {
                      hooks.unqueued = 0;
                      oldfire = hooks.empty.fire;
                      hooks.empty.fire = function() {
                           if ( !hooks.unqueued ) {
                                oldfire();
                           }
                      };
                 }
                 hooks.unqueued++;
       
                 anim.always(function() {
                      // doing this makes sure that the complete handler will be called
                      // before this completes
                      anim.always(function() {
                           hooks.unqueued--;
                           if ( !jQuery.queue( elem, "fx" ).length ) {
                                hooks.empty.fire();
                           }
                      });
                 });
            }
       
            // height/width overflow pass
            if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
                 // Make sure that nothing sneaks out
                 // Record all 3 overflow attributes because IE does not
                 // change the overflow attribute when overflowX and
                 // overflowY are set to the same value
                 opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
       
                 // Set display property to inline-block for height/width
                 // animations on inline elements that are having width/height animated
                 if ( jQuery.css( elem, "display" ) === "inline" &&
                           jQuery.css( elem, "float" ) === "none" ) {
       
                      // inline-level elements accept inline-block;
                      // block-level elements need to be inline with layout
                      if ( !jQuery.support.inlineBlockNeedsLayout || css_defaultDisplay( elem.nodeName ) === "inline" ) {
                           style.display = "inline-block";
       
                      } else {
                           style.zoom = 1;
                      }
                 }
            }
       
            if ( opts.overflow ) {
                 style.overflow = "hidden";
                 if ( !jQuery.support.shrinkWrapBlocks ) {
                      anim.always(function() {
                           style.overflow = opts.overflow[ 0 ];
                           style.overflowX = opts.overflow[ 1 ];
                           style.overflowY = opts.overflow[ 2 ];
                      });
                 }
            }
       
       
            // show/hide pass
            for ( index in props ) {
                 value = props[ index ];
                 if ( rfxtypes.exec( value ) ) {
                      delete props[ index ];
                      toggle = toggle || value === "toggle";
                      if ( value === ( hidden ? "hide" : "show" ) ) {
                           continue;
                      }
                      handled.push( index );
                 }
            }
       
            length = handled.length;
            if ( length ) {
                 dataShow = jQuery._data( elem, "fxshow" ) || jQuery._data( elem, "fxshow", {} );
                 if ( "hidden" in dataShow ) {
                      hidden = dataShow.hidden;
                 }
       
                 // store state if its toggle - enables .stop().toggle() to "reverse"
                 if ( toggle ) {
                      dataShow.hidden = !hidden;
                 }
                 if ( hidden ) {
                      jQuery( elem ).show();
                 } else {
                      anim.done(function() {
                           jQuery( elem ).hide();
                      });
                 }
                 anim.done(function() {
                      var prop;
                      jQuery._removeData( elem, "fxshow" );
                      for ( prop in orig ) {
                           jQuery.style( elem, prop, orig[ prop ] );
                      }
                 });
                 for ( index = 0 ; index < length ; index++ ) {
                      prop = handled[ index ];
                      tween = anim.createTween( prop, hidden ? dataShow[ prop ] : 0 );
                      orig[ prop ] = dataShow[ prop ] || jQuery.style( elem, prop );
       
                      if ( !( prop in dataShow ) ) {
                           dataShow[ prop ] = tween.start;
                           if ( hidden ) {
                                tween.end = tween.start;
                                tween.start = prop === "width" || prop === "height" ? 1 : 0;
                           }
                      }
                 }
            }
       }
       
       function Tween( elem, options, prop, end, easing ) {
            return new Tween.prototype.init( elem, options, prop, end, easing );
       }
       jQuery.Tween = Tween;
       
       Tween.prototype = {
            constructor: Tween,
            init: function( elem, options, prop, end, easing, unit ) {
                 this.elem = elem;
                 this.prop = prop;
                 this.easing = easing || "swing";
                 this.options = options;
                 this.start = this.now = this.cur();
                 this.end = end;
                 this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
            },
            cur: function() {
                 var hooks = Tween.propHooks[ this.prop ];
       
                 return hooks && hooks.get ?
                      hooks.get( this ) :
                      Tween.propHooks._default.get( this );
            },
            run: function( percent ) {
                 var eased,
                      hooks = Tween.propHooks[ this.prop ];
       
                 if ( this.options.duration ) {
                      this.pos = eased = jQuery.easing[ this.easing ](
                           percent, this.options.duration * percent, 0, 1, this.options.duration
                      );
                 } else {
                      this.pos = eased = percent;
                 }
                 this.now = ( this.end - this.start ) * eased + this.start;
       
                 if ( this.options.step ) {
                      this.options.step.call( this.elem, this.now, this );
                 }
       
                 if ( hooks && hooks.set ) {
                      hooks.set( this );
                 } else {
                      Tween.propHooks._default.set( this );
                 }
                 return this;
            }
       };
       
       Tween.prototype.init.prototype = Tween.prototype;
       
       Tween.propHooks = {
            _default: {
                 get: function( tween ) {
                      var result;
       
                      if ( tween.elem[ tween.prop ] != null &&
                           (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
                           return tween.elem[ tween.prop ];
                      }
       
                      // passing an empty string as a 3rd parameter to .css will automatically
                      // attempt a parseFloat and fallback to a string if the parse fails
                      // so, simple values such as "10px" are parsed to Float.
                      // complex values such as "rotate(1rad)" are returned as is.
                      result = jQuery.css( tween.elem, tween.prop, "" );
                      // Empty strings, null, undefined and "auto" are converted to 0.
                      return !result || result === "auto" ? 0 : result;
                 },
                 set: function( tween ) {
                      // use step hook for back compat - use cssHook if its there - use .style if its
                      // available and use plain properties where available
                      if ( jQuery.fx.step[ tween.prop ] ) {
                           jQuery.fx.step[ tween.prop ]( tween );
                      } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
                           jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
                      } else {
                           tween.elem[ tween.prop ] = tween.now;
                      }
                 }
            }
       };
       
       // Remove in 2.0 - this supports IE8's panic based approach
       // to setting things on disconnected nodes
       
       Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
            set: function( tween ) {
                 if ( tween.elem.nodeType && tween.elem.parentNode ) {
                      tween.elem[ tween.prop ] = tween.now;
                 }
            }
       };
       
       jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
            var cssFn = jQuery.fn[ name ];
            jQuery.fn[ name ] = function( speed, easing, callback ) {
                 return speed == null || typeof speed === "boolean" ?
                      cssFn.apply( this, arguments ) :
                      this.animate( genFx( name, true ), speed, easing, callback );
            };
       });
       
       jQuery.fn.extend({
            fadeTo: function( speed, to, easing, callback ) {
       
                 // show any hidden elements after setting opacity to 0
                 return this.filter( isHidden ).css( "opacity", 0 ).show()
       
                      // animate to the value specified
                      .end().animate({ opacity: to }, speed, easing, callback );
            },
            animate: function( prop, speed, easing, callback ) {
                 var empty = jQuery.isEmptyObject( prop ),
                      optall = jQuery.speed( speed, easing, callback ),
                      doAnimation = function() {
                           // Operate on a copy of prop so per-property easing won't be lost
                           var anim = Animation( this, jQuery.extend( {}, prop ), optall );
                           doAnimation.finish = function() {
                                anim.stop( true );
                           };
                           // Empty animations, or finishing resolves immediately
                           if ( empty || jQuery._data( this, "finish" ) ) {
                                anim.stop( true );
                           }
                      };
                      doAnimation.finish = doAnimation;
       
                 return empty || optall.queue === false ?
                      this.each( doAnimation ) :
                      this.queue( optall.queue, doAnimation );
            },
            stop: function( type, clearQueue, gotoEnd ) {
                 var stopQueue = function( hooks ) {
                      var stop = hooks.stop;
                      delete hooks.stop;
                      stop( gotoEnd );
                 };
       
                 if ( typeof type !== "string" ) {
                      gotoEnd = clearQueue;
                      clearQueue = type;
                      type = undefined;
                 }
                 if ( clearQueue && type !== false ) {
                      this.queue( type || "fx", [] );
                 }
       
                 return this.each(function() {
                      var dequeue = true,
                           index = type != null && type + "queueHooks",
                           timers = jQuery.timers,
                           data = jQuery._data( this );
       
                      if ( index ) {
                           if ( data[ index ] && data[ index ].stop ) {
                                stopQueue( data[ index ] );
                           }
                      } else {
                           for ( index in data ) {
                                if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
                                     stopQueue( data[ index ] );
                                }
                           }
                      }
       
                      for ( index = timers.length; index--; ) {
                           if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
                                timers[ index ].anim.stop( gotoEnd );
                                dequeue = false;
                                timers.splice( index, 1 );
                           }
                      }
       
                      // start the next in the queue if the last step wasn't forced
                      // timers currently will call their complete callbacks, which will dequeue
                      // but only if they were gotoEnd
                      if ( dequeue || !gotoEnd ) {
                           jQuery.dequeue( this, type );
                      }
                 });
            },
            finish: function( type ) {
                 if ( type !== false ) {
                      type = type || "fx";
                 }
                 return this.each(function() {
                      var index,
                           data = jQuery._data( this ),
                           queue = data[ type + "queue" ],
                           hooks = data[ type + "queueHooks" ],
                           timers = jQuery.timers,
                           length = queue ? queue.length : 0;
       
                      // enable finishing flag on private data
                      data.finish = true;
       
                      // empty the queue first
                      jQuery.queue( this, type, [] );
       
                      if ( hooks && hooks.cur && hooks.cur.finish ) {
                           hooks.cur.finish.call( this );
                      }
       
                      // look for any active animations, and finish them
                      for ( index = timers.length; index--; ) {
                           if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
                                timers[ index ].anim.stop( true );
                                timers.splice( index, 1 );
                           }
                      }
       
                      // look for any animations in the old queue and finish them
                      for ( index = 0; index < length; index++ ) {
                           if ( queue[ index ] && queue[ index ].finish ) {
                                queue[ index ].finish.call( this );
                           }
                      }
       
                      // turn off finishing flag
                      delete data.finish;
                 });
            }
       });
       
       // Generate parameters to create a standard animation
       function genFx( type, includeWidth ) {
            var which,
                 attrs = { height: type },
                 i = 0;
       
            // if we include width, step value is 1 to do all cssExpand values,
            // if we don't include width, step value is 2 to skip over Left and Right
            includeWidth = includeWidth? 1 : 0;
            for( ; i < 4 ; i += 2 - includeWidth ) {
                 which = cssExpand[ i ];
                 attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
            }
       
            if ( includeWidth ) {
                 attrs.opacity = attrs.width = type;
            }
       
            return attrs;
       }
       
       // Generate shortcuts for custom animations
       jQuery.each({
            slideDown: genFx("show"),
            slideUp: genFx("hide"),
            slideToggle: genFx("toggle"),
            fadeIn: { opacity: "show" },
            fadeOut: { opacity: "hide" },
            fadeToggle: { opacity: "toggle" }
       }, function( name, props ) {
            jQuery.fn[ name ] = function( speed, easing, callback ) {
                 return this.animate( props, speed, easing, callback );
            };
       });
       
       jQuery.speed = function( speed, easing, fn ) {
            var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
                 complete: fn || !fn && easing ||
                      jQuery.isFunction( speed ) && speed,
                 duration: speed,
                 easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
            };
       
            opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
                 opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
       
            // normalize opt.queue - true/undefined/null -> "fx"
            if ( opt.queue == null || opt.queue === true ) {
                 opt.queue = "fx";
            }
       
            // Queueing
            opt.old = opt.complete;
       
            opt.complete = function() {
                 if ( jQuery.isFunction( opt.old ) ) {
                      opt.old.call( this );
                 }
       
                 if ( opt.queue ) {
                      jQuery.dequeue( this, opt.queue );
                 }
            };
       
            return opt;
       };
       
       jQuery.easing = {
            linear: function( p ) {
                 return p;
            },
            swing: function( p ) {
                 return 0.5 - Math.cos( p*Math.PI ) / 2;
            }
       };
       
       jQuery.timers = [];
       jQuery.fx = Tween.prototype.init;
       jQuery.fx.tick = function() {
            var timer,
                 timers = jQuery.timers,
                 i = 0;
       
            fxNow = jQuery.now();
       
            for ( ; i < timers.length; i++ ) {
                 timer = timers[ i ];
                 // Checks the timer has not already been removed
                 if ( !timer() && timers[ i ] === timer ) {
                      timers.splice( i--, 1 );
                 }
            }
       
            if ( !timers.length ) {
                 jQuery.fx.stop();
            }
            fxNow = undefined;
       };
       
       jQuery.fx.timer = function( timer ) {
            if ( timer() && jQuery.timers.push( timer ) ) {
                 jQuery.fx.start();
            }
       };
       
       jQuery.fx.interval = 13;
       
       jQuery.fx.start = function() {
            if ( !timerId ) {
                 timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
            }
       };
       
       jQuery.fx.stop = function() {
            clearInterval( timerId );
            timerId = null;
       };
       
       jQuery.fx.speeds = {
            slow: 600,
            fast: 200,
            // Default speed
            _default: 400
       };
       
       // Back Compat <1.8 extension point
       jQuery.fx.step = {};
       
       if ( jQuery.expr && jQuery.expr.filters ) {
            jQuery.expr.filters.animated = function( elem ) {
                 return jQuery.grep(jQuery.timers, function( fn ) {
                      return elem === fn.elem;
                 }).length;
            };
       }
       jQuery.fn.offset = function( options ) {
            if ( arguments.length ) {
                 return options === undefined ?
                      this :
                      this.each(function( i ) {
                           jQuery.offset.setOffset( this, options, i );
                      });
            }
       
            var docElem, win,
                 box = { top: 0, left: 0 },
                 elem = this[ 0 ],
                 doc = elem && elem.ownerDocument;
       
            if ( !doc ) {
                 return;
            }
       
            docElem = doc.documentElement;
       
            // Make sure it's not a disconnected DOM node
            if ( !jQuery.contains( docElem, elem ) ) {
                 return box;
            }
       
            // If we don't have gBCR, just use 0,0 rather than error
            // BlackBerry 5, iOS 3 (original iPhone)
            if ( typeof elem.getBoundingClientRect !== core_strundefined ) {
                 box = elem.getBoundingClientRect();
            }
            win = getWindow( doc );
            return {
                 top: box.top  + ( win.pageYOffset || docElem.scrollTop )  - ( docElem.clientTop  || 0 ),
                 left: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 )
            };
       };
       
       jQuery.offset = {
       
            setOffset: function( elem, options, i ) {
                 var position = jQuery.css( elem, "position" );
       
                 // set position first, in-case top/left are set even on static elem
                 if ( position === "static" ) {
                      elem.style.position = "relative";
                 }
       
                 var curElem = jQuery( elem ),
                      curOffset = curElem.offset(),
                      curCSSTop = jQuery.css( elem, "top" ),
                      curCSSLeft = jQuery.css( elem, "left" ),
                      calculatePosition = ( position === "absolute" || position === "fixed" ) && jQuery.inArray("auto", [curCSSTop, curCSSLeft]) > -1,
                      props = {}, curPosition = {}, curTop, curLeft;
       
                 // need to be able to calculate position if either top or left is auto and position is either absolute or fixed
                 if ( calculatePosition ) {
                      curPosition = curElem.position();
                      curTop = curPosition.top;
                      curLeft = curPosition.left;
                 } else {
                      curTop = parseFloat( curCSSTop ) || 0;
                      curLeft = parseFloat( curCSSLeft ) || 0;
                 }
       
                 if ( jQuery.isFunction( options ) ) {
                      options = options.call( elem, i, curOffset );
                 }
       
                 if ( options.top != null ) {
                      props.top = ( options.top - curOffset.top ) + curTop;
                 }
                 if ( options.left != null ) {
                      props.left = ( options.left - curOffset.left ) + curLeft;
                 }
       
                 if ( "using" in options ) {
                      options.using.call( elem, props );
                 } else {
                      curElem.css( props );
                 }
            }
       };
       
       
       jQuery.fn.extend({
       
            position: function() {
                 if ( !this[ 0 ] ) {
                      return;
                 }
       
                 var offsetParent, offset,
                      parentOffset = { top: 0, left: 0 },
                      elem = this[ 0 ];
       
                 // fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is it's only offset parent
                 if ( jQuery.css( elem, "position" ) === "fixed" ) {
                      // we assume that getBoundingClientRect is available when computed position is fixed
                      offset = elem.getBoundingClientRect();
                 } else {
                      // Get *real* offsetParent
                      offsetParent = this.offsetParent();
       
                      // Get correct offsets
                      offset = this.offset();
                      if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
                           parentOffset = offsetParent.offset();
                      }
       
                      // Add offsetParent borders
                      parentOffset.top  += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
                      parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
                 }
       
                 // Subtract parent offsets and element margins
                 // note: when an element has margin: auto the offsetLeft and marginLeft
                 // are the same in Safari causing offset.left to incorrectly be 0
                 return {
                      top:  offset.top  - parentOffset.top - jQuery.css( elem, "marginTop", true ),
                      left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true)
                 };
            },
       
            offsetParent: function() {
                 return this.map(function() {
                      var offsetParent = this.offsetParent || document.documentElement;
                      while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position") === "static" ) ) {
                           offsetParent = offsetParent.offsetParent;
                      }
                      return offsetParent || document.documentElement;
                 });
            }
       });
       
       
       // Create scrollLeft and scrollTop methods
       jQuery.each( {scrollLeft: "pageXOffset", scrollTop: "pageYOffset"}, function( method, prop ) {
            var top = /Y/.test( prop );
       
            jQuery.fn[ method ] = function( val ) {
                 return jQuery.access( this, function( elem, method, val ) {
                      var win = getWindow( elem );
       
                      if ( val === undefined ) {
                           return win ? (prop in win) ? win[ prop ] :
                                win.document.documentElement[ method ] :
                                elem[ method ];
                      }
       
                      if ( win ) {
                           win.scrollTo(
                                !top ? val : jQuery( win ).scrollLeft(),
                                top ? val : jQuery( win ).scrollTop()
                           );
       
                      } else {
                           elem[ method ] = val;
                      }
                 }, method, val, arguments.length, null );
            };
       });
       
       function getWindow( elem ) {
            return jQuery.isWindow( elem ) ?
                 elem :
                 elem.nodeType === 9 ?
                      elem.defaultView || elem.parentWindow :
                      false;
       }
       // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
       jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
            jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
                 // margin is only for outerHeight, outerWidth
                 jQuery.fn[ funcName ] = function( margin, value ) {
                      var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
                           extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
       
                      return jQuery.access( this, function( elem, type, value ) {
                           var doc;
       
                           if ( jQuery.isWindow( elem ) ) {
                                // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
                                // isn't a whole lot we can do. See pull request at this URL for discussion:
                                // https://github.com/jquery/jquery/pull/764
                                return elem.document.documentElement[ "client" + name ];
                           }
       
                           // Get document width or height
                           if ( elem.nodeType === 9 ) {
                                doc = elem.documentElement;
       
                                // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
                                // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.
                                return Math.max(
                                     elem.body[ "scroll" + name ], doc[ "scroll" + name ],
                                     elem.body[ "offset" + name ], doc[ "offset" + name ],
                                     doc[ "client" + name ]
                                );
                           }
       
                           return value === undefined ?
                                // Get width or height on the element, requesting but not forcing parseFloat
                                jQuery.css( elem, type, extra ) :
       
                                // Set width or height on the element
                                jQuery.style( elem, type, value, extra );
                      }, type, chainable ? margin : undefined, chainable, null );
                 };
            });
       });
       // Limit scope pollution from any deprecated API
       // (function() {
       
       // })();
       // Expose jQuery to the global object
       window.jQuery = window.$ = jQuery;
       
       // Expose jQuery as an AMD module, but only for AMD loaders that
       // understand the issues with loading multiple versions of jQuery
       // in a page that all might call define(). The loader will indicate
       // they have special allowances for multiple jQuery versions by
       // specifying define.amd.jQuery = true. Register as a named module,
       // since jQuery can be concatenated with other files that may use define,
       // but not use a proper concatenation script that understands anonymous
       // AMD modules. A named AMD is safest and most robust way to register.
       // Lowercase jquery is used because AMD module names are derived from
       // file names, and jQuery is normally delivered in a lowercase file name.
       // Do this after creating the global so that if an AMD module wants to call
       // noConflict to hide this version of jQuery, it will work.
       if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
            define( "jquery", [], function () { return jQuery; } );
       }
       
       })( window );